Header & Trailer Syntax

#‹format-id› FROM ‹orig-id› TO ‹dest-id› ‹date› ‹time› ‹ctrl-number›

Where:

‹format-id › is an optional 4 to 20 character alphanu­meric string identifying the data format being transmitted.

‹orig-id› is a mandatory 4 to 20 character alphanu­meric string identifying the sender of the data.

‹dest-id› is a mandatory 4 to 20 character alphanu­meric string identifying the receiver of the data.

‹date› is an optional date of trans­mis­sion of the data (YYMMDD).

‹time› is an optional time of trans­mis­sion of the data (HHMM).

‹ctrl-number› is an optional 1 to 9 digit number (incremented each trans­mis­sion) used as a control for tracking transmissions.

Note:

If ‹date› and ‹time› are excluded then the date and time of receipt are assumed.

If ‹ctrl-number› is excluded then a sequential number is assigned upon receipt. This number is kept on file and incremented on each incoming transmission.