Comparison between EDIFACT and X.12:
References: Wikipedia and www.edpipeline.com
X.12:
American National Standards Institute (ANSI) in 1979 developed a common set of standards for inter-industry electronic exchange of business transactions ie. for the electronic data interchange (EDI) which was named ”ANSI ASC X.12” . ASC stands for Accredited Standard Committee. The whole acronym ANSI ASC X.12 stands for "American National Standards Institute Accredited Standards Committee X12". Here the designation of X.12 is only a sequential designator assigned by ANSI at the time of accreditation.
Not surprisingly, it was not well accepted in Europe as a standard for EDI transactions as X.12 only recognized US Dollar as the currency for trade.
UN/EDIFACT:
So it was in 1986 when the United Nations Economic Commission for Europe (UN/ECE) approved the acronym "UN/EDIFACT”. It stands for United Nations Electronic Data Interchange for Administration, Commerce and Transport.
It was actually an extension from X.12 with provision to exchange credits in other European currencies and to meet the needs of both government and private industry.
UN/EDIFACT is developed and maintained by UN/EDIFACT Working Group or EWG, a permanent working group of United Nations Centre for Trade Facilitation and Electronic Business (UN/CEFACT).
Mapping between EDIFACT and X.12:. All though both ANSI X.12 and UN/EDIFACT are the two recognized standards for EDI, The UN/EDIFACT is an international standard that will most likely be adopted by US companies. An EDI document is called a "Transaction Set" in ANSI X.12, and is called a "Message" in UN/EDIFACT. X.12 might be still in use in the USA but most of the world uses UN/EDIFACT transaction sets.
A partial list of the most popular transaction sets is given below:
TRANSACTION SET/DOCUMENT ANSI X.12 EDIFACT
PRODUCT/PRICING TRANSACTIONS
Price Sales Catalog 832 PRICAT
Price Authorization and acknowledgement status 845 ATHSTS
Request For Quotation 840 REQOTE
Response to Request for Quotation 843 QUOTES
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