InfReqOpng
Mandatory
InvstgtnId
Mandatory
LglMndtBsis
Mandatory
CnfdtltySts
Mandatory
DueDt
Optional
InvstgtnPrd
Mandatory
Choice
DateTimePeriodDetails
DtTm
Choice
Type: DateTimePeriodDetails
FrDtTm
Mandatory
ToDtTm
Mandatory
SchCrit
Mandatory
SplmtryData
Repetition (0..n)