REBORD
Reinsurance bordereau message

UNH M Message header

GEI M Processing information

SG1 M
NAD
CTA
COM
...

DTM M Date/time/period

FTX C Free text

SG2 M
ARD
CUX
GEI
...

UNS M Section control

SG7 C
MOA
SG8
PCD

UNT M Message trailer