SctyCSDLkMntncReq
Mandatory
MsgHdr
Optional
SctyCSDLkId
Mandatory
Upd
Mandatory
Default Link
DfltLk
Optional
Definition: Specifies whether the security CSD link is the default link. Header (last message set approved on 19 February 2026).
Type: TrueFalseIndicator
Restrictions:
VldTo
Mandatory
SplmtryData
Repetition (0..n)