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LD 18

REQ new
TYPE ght
LSNO
CUST 0
DNSZ 4 (max. size of entered DN's)
SIZE x (number of DN's, size of list)
WRT yes
STOR 0
WRT yes
...

LD 57

REQ chg
TYPE ffc
CUST 0
FFCT
CODE pldn
PLDN
HTYP rrb (of LIN)
CFWI
MQUE
PLDN
CODE