Coded identification of the agency controlling a syntax and syntax level used in an interchange.
Type
A
Length
Max 4 / Min 4
Codes
<>  UNOA
UN/ECE level A
As defined in the basic code table of ISO 646 with the exceptions of lower case letters, alternative graphic character allocations and national or application- oriented graphic character allocations.
<>  UNOB
UN/ECE level B
As defined in the basic code table of ISO 646 with the exceptions of alternative graphic character allocations and national or application-oriented graphic character allocations.
<>  UNOC
UN/ECE level C
As defined in ISO/IEC 8859-1 : Information technology - Part 1: Latin alphabet No. 1.
<>  UNOD
UN/ECE level D
As defined in ISO/IEC 8859-2 : Information technology - Part 2: Latin alphabet No. 2.
<>  UNOE
UN/ECE level E
As defined in ISO/IEC 8859-5 : Information technology - Part 5: Latin/Cyrillic alphabet.
<>  UNOF
UN/ECE level F
As defined in ISO 8859-7 : Information processing - Part 7: Latin/Greek alphabet.

