This command message is initiated b

This command message is initiated by the 3M SelfCheck system when it is requesting to checkout materials. The 3M SelfCheck system may also send this command when a Checkin message fails. The ACS must respond with a Checkout Response message.

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This message is used by the SC to request to check out an item, and also to cancel a Checkin request that did not successfully complete. The ACS must respond to this command with a Checkout Response message.