EDIFACT Message Structure
Required message structure (EDIFACT)
S/MIME SMTP E-mail Header
Example: UNB+UNOB:1+016968919:01+FDA:ZZ+060310:0127+37' ----> Header
SGML document----------------------------------------------------------> SGML Document
'UNZ+1+37' --------------------------------------------------------------> Trailer
EDIFACT UNB Header Information
| Description | Code | Comments |
|---|---|---|
| Identification of the start of the UNB header | UNB | The code for the start of the UNB header should be UNB in upper case letters |
| Version of the standard of the UNB header | UNOB:1 | The current version code should be UNOB in upper case letters |
| Interchange sender identification code and sender code qualifier | xxxxxxx:01 (for AS2 submissions this should match the routing ID) | xxxxxxx should be the number assigned to your company by Dun and Bradstreet Information Services. (For industry sending to the FDA, the sender code qualifier is 01.) |
| Interchange recipient | FDA:zz | xxxx should be the code for the receiving center (CDER, CBER, CDRH, CVM, CFSAN) |
| Date and time of preparation | yymmdd:hhmm | For now, a two-digit designation should be used for the year |
| Interchange control reference | Up to 14 alphanumeric characters | You should assign a unique reference number for each interchange. Otherwise the system will not recognize the transmission as new |
UNZ Trailer Information
| Description | Code | Comments |
|---|---|---|
| Identification of the start of the trailer | UNZ | The code for the start of the trailer is UNZ in upper case letters |
| Interchange control count | Up to 6 numerical characters | Counts either the number of messages or the number of functional groups within the interchange. Usually, this is 1 |
| Interchange control reference | Up to 14 alphanumeric characters | This should be the same as the interchange control reference in the UNB header |
EDI headers and trailers are made up of a series of data elements separated by plus (+) signs. A colon should separate segments of the individual data elements. An apostrophe should be used to terminate the header, body of the message, and the trailer.