PROTAP
Project tasks planning message

UNH M Message header

BGM M Beginning of message

GEI M Processing information

DTM M Date/time/period

SG1 C
RFF
IMD
BII
...

SG3 C
PNA
ADR
BII
...

SG6 C
EFI
CED
DTM

SG7 C
IND
BII
IMD
...

SG8 C
LIN
BII
RFF
...

UNS M Section control

SG14 C
RFF
SG15

SG16 C
LIN
STS
BII
...

CNT C Control total

UNT M Message trailer