What form signifies the authority to close a contract file?

The correct form that signifies the authority to close a contract file is DD Form 1594. This form is used to formally record the completion and closure of a contract, indicating that all obligations have been met and that the contract can be filed away. Understanding the importance of closing documentation is critical in contract management, as it ensures that both parties have fulfilled their contractual duties and that there are no outstanding issues.

The other forms mentioned serve different purposes within the contracting process. For instance, SF 30 is primarily used for contract modifications. It serves to amend the contract but does not signify closure. Meanwhile, DD Form 250 is used to document the receipt of deliveries and services, providing evidence of successful fulfillment of contract terms but not closure. SF 1442 is typically used for soliciting bids and proposals, which is a part of the initial contracting process rather than the closure of an existing contract. Knowing the specific uses of these forms helps clarify the role of each in the contracting lifecycle.