Which document must be followed for food service contracts within the Navy?

The Defense Federal Acquisition Regulation Supplement (DFARS) is the correct answer because it provides specific regulations and guidelines that govern the procurement process for goods and services, including food service contracts, within the Department of Defense, which the Navy is a part of. DFARS outlines the policies and procedures that contracting officers must follow when issuing requests for proposals, conducting contract negotiations, and managing contracts, ensuring compliance with federal laws and policies.

While the other documents mentioned have their own significance in the realm of procurement and supply chain management, they do not specifically dictate the regulations and procedures tailored for contracting as DFARS does. The Navy Procurement Manual serves as a general guide for procurement but may not encompass the detailed and binding regulations needed for compliance in all circumstances. The Navy Contracting Procedures Guide provides procedural specifics but operates alongside DFSAR rather than in replacement of it. Similarly, the Navy Supply Chain Management Plan focuses on logistics and the supply aspect of operations, not directly on contract governance. Thus, the DFARS is the definitive resource that aligns with the requirements set forth for food service contracts within the Navy, ensuring all procedures comply with the broader federal regulations.