Which purchase requisition document type is used when creating a request to return provisions to the SSA?

The correct choice is the document type used to handle requests for returning provisions to the Supply Support Activity (SSA). This type of requisition is specifically designed for instances where there is a surplus or excess inventory that needs to be returned.

When dealing with excess supplies, the ZXS - Excess Requisition allows for the formal documentation necessary to manage the return of these items, ensuring that the SSA can process the return effectively. This is a critical component of supply chain management within the Army, as it helps maintain accurate inventory levels and ensures that resources are allocated efficiently.

In contrast, other document types would serve different purposes; for example, a cancellation requisition is meant to cancel a previously created request, while a repair requisition is aimed at requesting maintenance or repair of equipment rather than returning excess supplies. The supply requisition also does not specifically pertain to the return of items. Thus, ZXS is the appropriate choice for creating a request to return provisions to the SSA.