PAYEXT
Extended payment order message

UNH M Message header

BGM M Beginning of message

BUS C Business function

PAI C Payment instructions

FCA C Financial charges allocation

DTM M Date/time/period

SG1 C
RFF
DTM

SG2 M
MOA
CUX
DTM
...

SG3 C
FII
CTA
COM

SG4 C
NAD
CTA
COM

SG5 C
INP
FTX
DTM

SG6 C
GEI
MOA
LOC
...

SG7 C
PRC
FTX
SG8
...

SG15 C
AUT
DTM

UNT M Message trailer