How many GFEBS roles are involved in the Purchase Requisition Process?

In the Government Financial Enterprise Business System (GFEBS), there are typically four main roles involved in the Purchase Requisition Process: the Requestor, who initiates the purchase; the Funds Certifier, who ensures there are sufficient funds; the Procurement Specialist, who processes the requisition; and the Approver, who finalizes and authorizes the purchase. Each role has distinct responsibilities to ensure compliance and efficiency in the procurement process.