CHACCO
Chart of accounts message

UNH M Message header

BGM M Beginning of message

DTM M Date/time/period

RFF C Reference

CUX C Currencies

FTX C Free text

SG1 M
NAD
RFF
SG2

SG3 C
CCI
CAV

SG4 M
LIN
CPT
FTX
...

EQN M Number of units

SG9 C
AUT
DTM

UNT M Message trailer