CardAcquisitionRequest

Component					Type	Required	Description
SaleToPOIRequest					Defined datastructure
	MessageHeader				Defined datastructure
		ProtocolVersion			String	Conditional	Value: `3.0`
		MessageClass			Enumeration	Required	Value: `Service`
		MessageCategory			Enumeration	Required	Value: `CardAcquisition`
		MessageType			Enumeration	Required	Value: `Request`
		ServiceID			String	Conditional	Identification of a message pair, which processes a transaction. Rule: Required if 'Service' or 'Event' MessageClass message or if 'Device' MessageClass and request from POI or response from Sale.
		SaleID			String	Required	Identification of a Sale System or a Sale Terminal for the Sale to POI protocol.
		POIID			String	Required	Identification of a POI System or a POI Terminal for the Sale to POI protocol.
	CardAcquisitionRequest				Defined datastructure
		SaleData			Defined datastructure	Required	Data related to the Sale System.
			SaleTransactionID		Defined datastructure	Required	Identification of a Sale transaction.
				TransactionID	String	Required	Unique identification of a transaction. To identify the transaction on the Sale System (for example, ticket number), or the POI System.
				TimeStamp	ISODateTime	Required	Date and time of a transaction for the Sale System, the POI System or the Acquirer. Ensures the uniqueness of a transaction and indicates the time when the event occurs in the EventNotification message.
		CardAcquisitionTransaction			Defined datastructure	Required	Data related to the payment and loyalty card acquisition.