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Edifact Formats For Essays

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Is there a really simple way to process EDIFACT for example D96A? Stack Overflow

We are a modern company using modern technology like XML interfaces, but many of our customers want for example electronic invoices from us in an EDIFACT format like D96A.

No we cannot use already existing libraries, as they are not written in the C/AL programming language our Navision software uses.

So in order to parse it in C/AL I need to understand its specification. But it looks extremely difficult and complicated.

So can someone give me an overview how to interpret say D96A and how to parse it?

Parsing EDIFACT is actually not that complicated. Just split at the sytax chars: first at ' to get the segments, than at + to get data elements of that segments and at. to get the individual components. You need to take care of escaped seperator chars, of course. The chars used here are only the default, they can be changed at the beginning of the message by the optional UNA-segment. Actually the wikipedia article on EDIFACT gives a pretty good (but brief) introduction to that. And the format is documented with detail on the UN's UNECE site (yes, that's a lot and hard to read).

The tricky part is to get the information out of that and into your application (and verifying it's valid, leave alone creating good error messages). If you really plan to write a comlete parser out of nothing for all that in any language, then: No, there is no easy way to do this. Nor is there for any other flexible data representation. That is a difficult task and always will be.

But here's an idea: if you are into XML that much (or any other "modern technology" as you like to call it. ). It would be a relatively easy task to write some program that converts EDIFACT messages into some unified XML-EDIFACT-Format (which is a pretty horrible thing and would most likely freak me out). You can convert every EDIFACT segment into one XML tag, maybe like this:

Then you can unleash the power of your XML tools and libraries on it to validate/evaluate it.

You could also do it more specific, like this:

This could make validation via XSD easier. You can get of course as specific as you want with this conversation, but you would sooner or later come to a point, where you would need to put information on the structure of your currently parsed message into the converter (since it is not trivial to know which segments are nested into other segments grouping them. There's not just UNG. UNH and such, but also some segment groups that you don't see directly).

Still, you will have to create specific evaluation programs/schemas/whatevers for the messages you receive, according to the EDIFACT-handbooks you should get as documentation.

I know that this question is older, but I had to do a little research for a customer's project. There are several good add-ons for Dynamics NAV. Have for example a look at Anveo EDI Connect they implemented the import and export of EDIFACT (and many more formats) directly in NAV. Other solutions are available from BMI, Yaveon, Lanham and several other companies. There are also several service providers that process the data and you agree with them on a simple XML or file based structure.

answered Jun 8 '14 at 12:45

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Edifact formats for essays

XML/EDIFACT Essay

EDIFACT is a formal language for machine readable description of electronic business documents. It uses a syntax close to delimiter separated files. This syntax was invented in the 1980s to keep files as small as possible. Because of the Internet boom around 2000, XML started to become the most widely supported file syntax. But for example, an invoice is still an invoice, containing information about buyer, seller, product, due amount. EDIFACT works perfectly from the content viewpoint, but many software systems struggle to handle its syntax. So combining EDIFACT vocabulary and grammar with XML syntax makes XML/EDIFACT.

The rules for XML/EDIFACT are defined by ISO TS 20625.

Contents Use-cases

XML/EDIFACT is used in B2B scenarios as listed below.

1) Newer EAI or B2B systems, e.g. SAP XI. often cannot handle EDI (Electronic Data Interchange ) syntax directly. Simple syntax converters do a 1:1 conversion before. Their input is an EDIFACT transaction file, their output an XML/EDIFACT instance file.

2) XML/EDIFACT keeps XML B2B transactions relatively small. XML element names derived from EDIFACT tags are much shorter and more formal than those derived from natural language. Such formal tags, taken from the "EDIFACT modelling language", are readable by B2B experts worldwide.

3) A company does not want to invest into new vocabularies from scratch. XML/EDIFACT reuses business content defined in UN/EDIFACT. Since 1987, the UN/EDIFACT library was enriched by global business needs for all sectors of industry, transport and public services. For XML, there is no such comprehensive vocabulary available.

4) Large companies can order goods from small companies via XML/EDIFACT. The small companies use XSL stylesheets to browse the message content in human readable forms.

Example 1: EDIFACT source code

A name and address (NAD) segment, containing customer ID and customer address, expressed in EDIFACT syntax:

NAD+BY+CST9955::91++Candy Inc+Sirup street 15+Sugar Town++55555'

Example 2: XML/EDIFACT source code

The same information content in an XML/EDIFACT instance file:

Meeting EDIFACT - Applied XML Solutions

Meeting EDIFACT Meeting EDIFACT

Unfortunately, it is not possible to convert between two formats unless you are familiar with the input and output formats. I assume you are familiar with XML, but you might not be familiar with EDIFACT. This section is a crash course in EDIFACT. If you are in a hurry and want to jump straight into the code, I suggest you read at least the section "EDIFACT Segments."

EDIFACT, or UN/EDIFACT as it is formally known, is short for Electronic Data Interchange For Administration, Commerce, and Transport. It is a comprehensive e-commerce solution developed under the auspices of the United Nations (hence, the UN part of the name ).

Business-to-Business e-Commerce

e-Commerce is a commonly used term that has several meanings. When people think of e-commerce, though, they usually think of http://Amazon.com or other online shops. Other popular and older forms of e-commerce do exist, however.

Online shops cater primarily to the business-to-consumer (B2C) side of e-commerce. The other side is business-to-business (B2B) e-commerce, or the buying, selling, and other commercial transactions that take place between businesses.

Business-to-business commerce isn't as well known as the consumer-oriented side. This is mainly because it is less visible and more abstract: We shop in various stores (online and offline) every day but few of us really care from where the stores are buying their goods.

This is business-to-business commerce: stores (businesses) buying goods from their suppliers (other businesses). What might surprise you is that it accounts for a very large volume because, behind the supplier is another supplier, and another, and another.

Let's look at an example. Say you have bought Applied XML Solutions at a bookstore. The bookstore bought the same book from a distributor, who bought it from Sams. Sams, in turn. had the book manufactured by a printer. To manufacture the book, the printer bought paper and ink. You get the idea.

So, for a single consumer-oriented transaction (you buying the book), several business-to-business transactions must occur. These transactions have a multiplying effect, which means that business-to-business commerce ”and consequently, business-to-business e-commerce ”is destined to outnumber consumer activities by a wide margin.

Electronic Data Interchange

One of the oldest forms of e-commerce is Electronic Data Interchange (EDI). EDI is concerned solely with business-to-business e-commerce. The idea behind EDI is very simple: To conduct business, companies have to exchange an enormous amount of paperwork. Let's replace the paperwork with electronic files.

For example, if my company decides to buy goods from yours, we'll issue a purchase order. We also expect the goods to come with an invoice. To pay the invoice, we might cut a check.

Do we write these documents with a pen and paper? This is unlikely. because like most companies we use some sort of accounting software (by accounting software, I mean anything from QuickBooks to SAP) that tracks orders, invoices, and payments.

Go through your incoming mail and you'll find that most documents were printed by a computer (incidentally, you'll understand why Intuit makes so much money selling checkbooks). Follow the paper trail and you'll find the same documents are being routed to your own accounting software!

So, the process is to print commercial documents, send them by postal mail, and key them in at the receiving end. The paperwork and all the manual processing it requires is just a small annoyance for small corporations such as mine, but it's a major expense for larger organizations.

More than 20 years ago, some companies realized they could simplify things by building a more direct link between the two accounting softwares. Instead of spitting out a paper purchase order, my computer produces a file. I then can email you the file and you can feed it straight into your accounting package. No paper or postal mail is required, and it's better than regular email because the commercial documents are automatically imported.

Some of the benefits of EDI include the following:

It is faster to exchange and process electronic documents.

Typing and retyping the same document is a major cause of errors (for example, it's easy to type 10,000 instead of 100,000). Electronic documents eliminate the retyping and associated errors.

Processing electronic documents requires less human resources.

How big is EDI? According to Forrester Research, business-to-business e-commerce was valued at $671 billion in 1998. So, why don't we hear more about it? One of the reasons might be that most transactions take place on private networks, not the Internet. In fact, Internet transactions represented only $92 billion.

Most transactions taking place on private networks are not based on XML. Instead, they use the EDI-specific formats, such as UN/EDIFACT and ANSI X12.

However, it would be a mistake to discount XML in that space. The same study expects business-to-business e-commerce to grow to $1.3 trillion (that's trillion, not billion) within three years. And guess where most of the growth will take place? On the Internet, of course. Now guess which format will dominate on the Internet. If you chose XML, you're right again.

To summarize, business-to-business e-commerce is very important. It is several times larger than consumer-oriented activities and will remain so.

Currently, most of these transactions take place on private networks, using special formats. However, they are expected to migrate to the Internet and XML within the next three years. This is why it's important to build a bridge between the EDI formats and XML.

The Inner Working of EDIFACT

The two dominant EDI formats are ANSI X12 and UN/EDIFACT. X12 was developed by ANSI and is used predominantly in the U.S. EDIFACT, on the other hand, enjoys a worldwide audience. Other popular formats include Odette (used in the automotive industry, including IAEG in the U.S.), Tradacoms (which is UK-based), and Swift (used in international banking).

Although they differ in details, the various EDI formats are based on the same principles.

The underlying idea is to develop electronic versions of most commercial documents. The list of documents is too long to detail here. But, some examples include an electronic purchase order, electronic invoice, and electronic catalog. An electronic custom declaration (when importing or exporting goods), electronic financial transactions (to replace checks), and electronic tax and other tax- related forms have also been developed.

Finally, some industries have even developed documents specific to their needs ”for example, electronic versions of insurance contracts, reinsurance claims, statistics forms, and more.

With EDIFACT, the electronic documents are called UNSMs. which is short for United Nations Standard Messages.

Because the messages are developed by international (EDIFACT) or national (X12, Tradacoms, and so on) bodies, they tend to be rather large. Imagine an invoice that satisfies the legal requirements of every country, every industry, and every company in the world! Large and unmanageable? You bet.

Therefore, users must simplify these documents before using them. For example, American companies must collect the sales tax, and European companies must collect the VAT (Value-Added Tax). The worldwide invoice does both, though. So, an American company would need to simplify it to include only sales tax, whereas a European company would limit it to VAT.

Incidentally, this is one of the major criticisms of the EDI formats: Because they are all-encompassing, they are very complex. Furthermore, to bring them down to something manageable, users must spend significant effort in simplifying the messages (a process known, in EDI circles, as creating subsets ).

A side effect is that this creates incompatibilities, which cause most of the benefits of standardized formats to be lost. In the example, one company simplified to remove VAT, and the other to remove sales tax. Now, what happens when the U.S. corporation sends a purchase order to the European one?

This problem has led a growing number of companies to look for alternatives to the EDI formats, and XML appears to be a very attractive alternative because of the following:

XML is well supported by tools and vendors.

It is close to object-oriented modeling such as UML.

It offers superior conversion features.

The last point is worth reviewing. As I said, the international documents are so complex that companies must simplify them. Yet, when you study EDIFACT, you find that it has not been designed to be simplified. No support exists in the standard for simplifying orders.

On the other hand, XML has namespaces, which are a mechanism to organize large documents into smaller, more manageable subsets. Look at how XSL is divided in XSLT and XSLFO for a good example on how namespaces help simplify large standards. The standard is literally divided into two parts that can be used independently or combined at will. XML could bring that sort of benefit to EDI. For example, sales tax and VAT elements could be developed independently from the purchase order and then combined at will.

EDIFACT Segments

What do EDI messages look like? Listing 5.1 is an EDIFACT purchase order in which the bookstore, Playfield Books, is ordering books from Que.

For simplicity, the purchase order in Listing 5.1 is minimalist. It has all the required information but little extra.

Listing 5.1 orders.edi

We will look at this purchase order in more detail in the next section. This section serves as a crash course in EDIFACT syntax. Don't worry if you don't remember everything, this is not "Applied EDIFACT Solutions." However, to convert between any format and XML, you need to know the fundamentals of the non-XML format.

The building block for the EDIFACT message is the segment. Segments start with a tag followed by a set of data. They end with the ' character. The tag identifies the segment. For example, the following is a price segment, recognizable by its PRI tag:

Within a segment, the fields are delineated by the + or : character. The fields have no tags but are identified by their position. For example, in the PRI segment, the price is always the second field, which is $42.50.

The first and fourth fields are coded fields, which means their value is a code or an alphanumeric identifier for a value. For example, in the first field, the code AAA means net price. Codes are similar to enumerated parameter values in XML and are used for the same purposes.

If you are curious. SRP in the fourth field means suggested retail price. The meaning of the codes is specified by the EDIFACT standard.

You'll notice that the third field is empty, which means it has no value. However, because fields are identified by their position, the empty third field cannot be omitted. Indeed, I cannot write

or SRP would be in the third field instead of the fourth field. The third field has a different meaning (it is reserved for the price type) from the fourth field.

When EDIFACT was originally conceived, bandwidth was more expensive than it is today. Therefore, a lot of effort was directed toward achieving the smallest file possible.

If you are curious, compare Listing 5.1 with Listing 5.2, which is the same purchase order in XML. EDIFACT is clearly the winner in terms of size.

What about the + and : characters. Fields in a segment can be either simple fields or composite fields and are separated by + characters. A composite field is a list of simple fields separated by : characters.

Therefore, the PRI segment

contains one composite field, which is made up of four simple fields ( AAA. 42.50. empty, and SRP ). Compare this with the PIA segment (product identifier):

PIA starts with a simple data element ( 5 ) followed by a composite data element ( 0789722429:IB ) for the ISBN number. The composite data element has two simple data elements ( 0789722429 and IB ).

Note that ISBN stands for International Standard Book Number. It is a worldwide identifier for books. The ISBN appears on the back of the book with the bar code, and each book has a unique one. For example, this book has been assigned ISBN 0-7897-2430-8.

Because each book has a different ISBN, using only the ISBN suffices when ordering books. In fact, less risk of confusion is involved when ordering books by ISBN than by the title or author's name. It's easy to confuse two books with the same title, but it is impossible to confuse two books'ISBNs.

It's not always obvious why some elements become simple data elements while others end up as composite data elements. You should refer to the EDIFACT documentation to decide which is which.

In theory, when two or more simple data elements are often used together, they have been grouped in a composite data element.

You are now familiar with the basics of EDIFACT. However, we should consider the following two important rules that we have not yet encountered.

I explained that empty fields must be present so as not to impact the field positions. Thanks to the so-called compression mechanism, you can remove empty fields when no risk of confusion is involved. For example, in the PIA segment, the ISBN can repeat up to five times, so it could look similar to the following:

But, because the four empty composite data elements are also the last elements in the segment, no risk of confusion exists, so you must write the following segment:

The same rule applies at the end of composite data elements. The definition for the BGM (beginning of message) segment states that the first composite data element has four fields. However, if it looks like this

the compression rule states that if the last three fields of the composite data elements are empty, they need not appear in the segment. Therefore, we must write

The last syntactical rule is concerned with escape characters. Because +. :. and ' have a special role in segments, they cannot appear in data. This is similar to the < and & characters in XML, which cannot appear in data, either.

EDIFACT's solution is to escape these characters with the ? character ; therefore, we would not write

because the ' would be confused with the end of the segment. Instead, we'd write the following:

The Message in Details

A message is a list of segments. The meaning of the segments, their positions in the message, the acceptable code for coded data elements, and more are specified in the EDIFACT standard. To decode a message, you must look up its definition in the EDIFACT standard.

The standard is conveniently available online at http://www.unece.org ; follow the links for UN/CEFACT and then UN/EDIFACT. You can search by message and drill down to the list of segments. From the segments, you then can zoom to the data elements and code lists. See Figures 5.1 and 5.2 for examples.

To save you this rather tedious task, here are the secrets of Listing 5.1, segment by segment.

The UNH segment marks the document as an EDIFACT document and identifies the type of document, which in this case is an order ( ORDERS ).

For completeness, note that EDIFACT groups messages in interchanges. The beginning and end of interchanges are indicated through more segments. For simplicity, interchanges are not discussed in this chapter.

Figure 5.1. Looking up the list of segments on the UN/ECE Web site. Figure 5.2. Zooming in on one segment in the invoice shows the fields.

The 1 in the first field is a message identifier; D. 96A. and UN in the last fields identify a specific revision of the ORDERS message.

BGM stands for beginning of message. The code 220 confirms that the document is indeed an order. Next is the purchase order number, AGL153.

The 9 in the next field is a code that says this message is the original purchase order (other codes exist for duplicates). The last field, AB. means we want the recipient to acknowledge reception.

The DTM segment in the previous line is the date (actually it's the Date and Time, hence the trailing M). The code 137 says this is the purchase order date. The actual date is next. The final code, 102. means that the date is in ISO format, 10 March 2000, in this case.

When EDIFACT was originally conceived. other date formats were commonly used (including the dreadful two-digit years such as 99). Lately, it seems everybody uses the ISO date format, so 102 is becoming some sort of a constant for dates.

The next segment is another date. This one has the code 61 in the first field, meaning it is the last date for delivery. If the seller cannot deliver within a month (by 10 April 2000), he can forget the order.

The next segment is an NAD. meaning name and address. The first field is a code ( BY ) to indicate this is the buyer's address. After two unused fields, we find, in order of appearance, the name of the buyer ( PLAYFIELD BOOKS ), the street address ( 34 FOUTAIN SQUARE PLAZA ), the city ( CINCINNATI ), the state ( OH ), the ZIP code or postal code ( 45202 ), and, finally, the country ( US ).

A second NAD contains the seller's address (code SE ).

Next is the first line of the order, identified by a LIN segment and the line number ( 1 in this case).

The PIA segment that follows contains the product identifier. The code 5. in the first field, specifies that the product identifier is related to an order line. The identifier itself follows as ISBN 0-7897-2242-9. The last code ( IB ) identifies the code as an ISBN.

Why do we need a code 5 to specify that the product identifier applies to a line order? Isn't it obvious by reading the order message that this must be a line order?

Yes and no. One of the issues with EDIFACT is that it uses a very flat data structure. Essentially, a message is a list of segments. With large messages, the placement of segments doesn't always indicate what's what. Code such as this 5 identify relationships between segments ("this is not any product identifier; it's the product identifier for the current product line"). These special codes are known as qualifiers.

To be complete, note that EDIFACT has a notion of groups of segments. in which a group is a set of related segments. However, groups have no special syntax, so they are not easy to recognize in a message!

The QTY segment indicates we are buying five books (in the last field). The 21 code (it's a qualifier again) states that the quantity applies to a line order.

This is the product price in a PRI segment. The first field is a code ( AAA ) meaning net price. It is followed by the price itself ( 24.99 ), an empty field, and a code ( SRP for suggested retail price).

The second line is for the order of 10 books (ISBN 0-7897-2430-8) at a suggested retail price of $42.50.

The next segment, UNS. means that the following segments are a summary of the message.

In this case, the summary consists of only one CNT (count) segment. The code 3 in the first field indicates it counts the number of order lines, which is 2 in this case.

The last segment is a UNT with two fields. The first field counts the total number of segments in the message ( 17 ). The second field, on the other hand, repeats the message identifier from the UNH segment ( 1 in this case).

The Message Structure

To summarize, the EDIFACT message follows the classic structure of an invoice: It starts with the name and address of the parties, the date of the invoice, and a reference number. Next are order lines. Each line contains a product identifier (ISBN), the quantity, and the price.

As has already been noted, this structure is not immediately apparent in EDIFACT because it is a rather flat list of segments. In contrast, XML elements nest so the structure is immediately apparent.

EDI Mapping

EDI Mapping

MapForce EDI Mapping Features:
  • Map EDI messages to and from XML, databases, flat files, Excel, and Web services
  • Full support for UN/EDIFACT, ANSI X12, Health Level 7 (HL7), SAP IDoc, IATA PADIS, and TRADACOMS
  • Map from EDI to EDI to convert EDIFACT files to X12, or update HL7 v2.x messages to version 3
  • Automate execution of EDI mappings with MapForce Server
  • Autogenerate source code for EDI transformations
Graphical EDI Mapper

EDI standards have been the dominant format for e-commerce data exchange for decades, and give organizations a fast and accurate method of transmitting transaction data. EDI precedes prevalent integrated business technologies as ERP, CRM, many database formats, and many other supply chain enabling technologies, making data mapping and transformation an important component of any EDI implementation.

MapForce® 2016 is a graphical EDI mapper with native support for all of the prevalent business data formats in use today, including XML, databases, flat files, Excel, Web services, as well as the EDIFACT, X12, HL7, IDoc, and PADIS EDI transaction sets. Its highly intuitive interface enables EDI implementation specialists to visually design and execute mappings, or even generate code in Java, C++, or C# for recurrent transformations.

MapForce simplifies EDI data integration by allowing you to visually define mappings between EDIFACT, X12, HL7, IDoc, PADIS, or TRADACOMS and XML, databases, flat files, Excel, and other EDI systems, as well as Web services operations. This allows your organization to reap the benefits of exchanging information electronically – without increasing costs or the complexity of your application infrastructure.

Full support for UN/EDIFACT, ANSI X12, Health Level 7 (HL7), SAP IDoc, IATA PADIS, and TRADACOMS in MapForce allows you to use any of the hundreds of messages and transaction sets covered by these standards in your mapping design. You can even map from EDI to EDI, to, for example, convert EDIFACT files to an X12 format for your global business partners. You can also take advantage of MapForce's XML support to update your legacy HL7 v2.x messages to version 3.

Because users often need to customize the EDIFACT, X12, HL7, PADIS, or TRADACOMS messages according to specific implementation requirements, MapForce includes a user-friendly EDI configuration file format that allows you to add new transactions or modify and enhance existing messages quickly and easily.

Supported EDI Messages

Click the links below to view detailed lists of messages for EDIFACT, HL7, IATA PADIS, and X12 data mappings supported by MapForce.

EDI configuration files are available for free download from the MapForce Libraries page.

Developing EDI Mappings

Developing an EDI to XML mapping in MapForce is as easy as opening the EDI collection(s) and other data formats you wish to integrate in the mapping window, then dragging connecting lines from the corresponding elements in the source(s) and target(s).

MapForce includes a configurable option to automatically connect matching child elements.

Process Multiple EDI Message Types

MapForce allows you to define a single mapping to accommodate EDI files that contain multiple message types.

Support is provided for EDI files containing multiple message types either in the source or target of your data mapping project, providing optimal flexibility for EDI mapping.

To employ this feature, just choose the relevant message types in the Browse EDI collections dialogue. The EDI component that is inserted into the MapForce design pane will incorporate all of the selected messages for integration into one mapping design.

Message Acknowledgement

In the EDI X12 standard, the 997 acknowledgement message relays the status of a inbound interchange - confirming receipt of a transaction, transaction errors, etc.

MapForce can be easily configured to automatically create a mapping from your input X12 messages to 997 acknowledgements, helping you to define seamless trade links within and beyond your partner network.

Validate EDI Output

MapForce lets you confirm the accuracy of EDI output from your mapping through validation of all EDI source and target components, and the mapping output. When running generated program code, validation errors will display an error message. This helps you ensue that only valid EDI messages are processed.

Related Topics:

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Edifact message Essay

Edifact message

SECTION 1 – INTRODUCTION TO EDI AND EDIFACT

This section gives a short introduction of EDI and EDIFACT.

1 Introduction to EDI

"EDI (Electronic Data Interchange) is the direct transfer of business information between

computer systems in different enterprise and/or organization (without human

intervention or with minimal human intervention) using widely agreed standards to

structure the transaction or message data."

With a structured message, such as a purchase order, the data is formatted according to

an agreed standard, thus facilitating the electronic transfer from one computer system to

The present way of business communication:

Key in data Print out

The EDI way of business communication:

AFACT EDI & EDIFACT Handbook (August 2007) Page 2

2 The Necessity of Standards

A standard is, according to ISO's, "a technical specification or another document

accessible to the public established with the co-operation and the consensus or the general

approval from all the parts interested, based on the combined relations of science,

technology and the experiment, aiming to the optimal advantage of the community as a

whole, and approved by an organisation qualified on the national, regional or international

The communications between computers, like the human communication, need a common

language or a system of interpretation. The interpretation or the data conversion can

function very well between two partners according to a mode of specific agreement of

exchange or owner but with a higher number partners, the process of exchanges, in many

specific formats associated to each partner, quickly becomes "hard to handle".

A common language, using only one standard, facilitates the exchanges, allows the

opening to other partners and the adaptability according to its own needs on the various

levels international, European, national or sectorial.

Standardisation in EDI thus concerns:

the contents (standardisation of information to transmit, given codes, structures of

the container (protocols of telecommunication allowing to transmit the various types of

in a bound way, the organisation of the exchanges themselves, in a total context

("sequencing" of the messages, description of scenarios, concept of open "EDI "). For this

last point, one can refer usefully to work of the international working group

ISO/IEC/JTC1/SC30 on "Open EDI".

E D I. A q u e s t io n o f S ta n d a rd s

A p p l ic a tio n to A p p lic a t io n e x c h a n g e

S ta n d a rd is e d fo rm a ts o f e x c h a n g e

U N /E D IF A C T. (E A N C O M. S M D G. W C O -

C o m m u n ic a tio n p ro to c o ls

X .4 0 0. F T P. T C P / IP. H T T P. S M T P /M IM E.

AFACT EDI & EDIFACT Handbook (August 2007) Page 3

In the field of telecommunications or safety for EDI, it goes without saying

Edifact formats for essays

EDIFACT is an international EDI standard used by companies worldwide. Due to the international nature of the standard, each message within the standard is very comprehensive. This has lead to a number of industry specific standards based upon EDIFACT being created. The industry specific standards tend to be subsets of the EDIFACT message. This reduces the complexity of the messages and hence eases implementation. A popular subset of EDIFACT is EANCOM, which is designed for international trade and based on the EDIFACT D96A directory. National standards bodies also create their own subset for their particular, and in some cases, unique national requirements. The UK has its own national standard Tradacoms which is meant for domestic trade, Tradacoms is distinct from EDIFACT and has a large number of differences. There is also a UK standard based on UN EDIFACT, known as UK EDIFACT which is derived from UN EDIFACT D96A.

EDIFACT and other industry specific standards have created a series of messages that can be used for specific tasks. These messages have 6 character names, for example ORDERS (Order Message), INVOIC (Invoice Message), DEBADV (Debit Advice) etc.

As time has gone by new messages have been added to the standard and the original messages have been updated. There are now over a dozen versions of a standard orders message. A full list of the defined messages and the versions can be found at http://www.unece.org/trade/untdid/welcome.htm

The EDIFACT standard (EDI For Administration Commerce and Transport) is the only EDI standard that is truly accepted world-wide. EDIFACT provides standard formats for business documents and incorporates features that meet international requirements.

Whilst EDIFACT messages are designed for business data transactions, they are complex in their structure. It is accepted that national/industry conventions will determine which parts of the total message requirements to use. As a result, the message will be reduced down to size to only contain the information required by that industry. Some different subsets of the EDIFACT format are listed below:

  • AMEDIS - Gaming machine messages
  • CEFIC - The chemical industry
  • EAN International - Retail
  • EANCOM - International Article Numbering Association (EAN International)
    • EANCOM is a standard that is available to all, but adds the use of EAN standard, unique identification numbers to the core EDIFACT messages.
  • EDIBUILD - The construction industry
  • EDICON - The construction industry
  • EDIFACT - HM Customs and Excise
    • HM Customs and Excise use EDIFACT segments etc. with their own unique message definitions.
  • EDIFACT - Inland Revenue
    • Inland Revenue use EDIFACT segments etc. with their own unique message definitions.
  • EDIFICAS - Legal and accountancy
  • EDIFICE - The computing, electronics and telecommunications industry
  • EDIPAP - The paper industry EDITEX The textile industry
  • EDIWHITE - The white goods industry (appliances)
  • EMEDI - European Medical EDI Association
  • ETIS - Telecommunications
  • Eurostat - Statistics
    • The EDI message development group within Eurostat generate an EDIFACT subset for integrating EDI into the process of collecting and circulating statistical information.
  • IATA - International Air Transport Association EDI Standards
    • A series of UN/EDIFACT based EDI messages covering both cargo (CARGO-FACT) and passenger, published as the IATA EDIFACT Database
  • SPEC 2000M - Association Europeenne des Constructeurs de Materiel Aerospatial
    • Interchange of messages between organisations in the European aerospace and defence industries.
  • SWIFT - Society for Worldwide Interbank Financial Telecommunications EDI Standards
    • A set of standard messages for international payments, statements, and other transactions related to international finance between banks. They also support UN/EDIFACT messages, but this is not strictly based on them.
  • UIC 912 - Union Internationale de Chemins de Fer 912 Protocol
    • A set of standard messages for international exchange of information between railways. They are also supporting the use of UN/EDIFACT messages with the EDIFER subset.
  • UNICORN - Travel Technology Initiative
    • EDI messages for electronic booking in travel, tourism and leisure.