48 C.F.R. § 217.503

(a) When the requesting agency is within DoD, a copy of the executed determination and findings required by FAR 17.502-2 shall be furnished to the servicing agency as an attachment to the order. When a DoD contracting office is acting as the servicing agency, a copy of the executed determination and findings shall be obtained from the requesting agency and placed in the contract file for the Economy Act order.