S001 Syntax identifier

Identification of the agency controlling the syntax and indication of syntax level, plus the syntax version number.

Position: 010 · Element: 0001 · Name: Syntax identifier · Type: A · Requirement: Mandatory · Min: 4 · Max: 4 · Repeat: -

Coded identification of the agency controlling a syntax and syntax level used in an interchange.

a3, upper case, Controlling Agency (e.g. UNO=UN/ECE) and a1 stating level (e.g. A) (which together give UNOA).

Position: 020 · Element: 0002 · Name: Syntax version number · Type: Numeric (N) · Requirement: Mandatory · Min: 1 · Max: 1 · Repeat: -

Version number of the syntax identified in the syntax identifier (0001)

Increments 1 for each version.