id description section req max_loop max_usage pos BGN Beginning Segment H M 0 1 1 N1 Party Identification H O 999999 1 2 N2 Additional Name Information H O 0 2 3 N3 Party Location H O 0 2 4 N4 Geographic Location H O 0 1 5 REF Reference Information H O 0 999999 6 PER Administrative Communications Contact H O 0 999999 7 DTM Date/Time Reference H O 0 999999 8 PWK Paperwork D O 999999 1 9 REF Reference Information D O 0 999999 10 CRC Conditions Indicator D O 0 999999 11 MEA Measurements D O 0 999999 12 DTM Date/Time Reference D O 0 999999 13 PER Administrative Communications Contact D O 0 999999 14 IN1 Individual Identification D O 999999 1 15 IN2 Individual Name Structure Components D O 0 999999 16 ICH Individual Characteristics D O 0 999999 17 DTM Date/Time Reference D O 0 999999 18 NX1 Property Or Entity Identification D O 999999 1 19 NX2 Location Id Component D O 0 999999 20 N4 Geographic Location D O 0 999999 21 REF Reference Information D O 0 999999 22 DTM Date/Time Reference D O 0 999999 23 EFI Electronic Format Identification D O 999999 1 24 BIN Binary Data Segment D O 0 1 25