Validation Rules
InstructionCancellationRequestIdentificationRule: If ChangeInstructionIndicator is 'true' or '1' (Yes), then InstructionCancellationRequestIdentification must be present.
CorporateActionEventIdentificationRule: If the CorporateActionInstruction message is unsolicited (that is, this instruction has not been preceded by an CorporateActionNotification), then, CorporateActionGeneralInformation/CorporateActionEventIdentification must be NONREF.
ChangeInstructionIndicatorGuideline: ChangeInstructionIndicator may only be used if CorporateActionOptionDetails/WithdrawalAllowedIndicator was set to 'false' or '0' (No) in the CorporateActionNotification message previously received and if CorporateActionOptionDetails/ChangeAllowedIndicator was set to 'true' or '1' (Yes) in the CorporateActionNotification message previously received.
AdditionalInformationRule: Elements in AdditionalInformation and CorporateActionInstruction/AdditionalInformation must not contain information that can be provided in a structured field unless bilaterally agreed or advised differently in the element definition.
OptionTypeRule: If CorporateActionInstruction/OptionType/Code value is TAXI (Tax Instruction), then at least one occurrence of BeneficialOwnerDetails must be present.