41 C.F.R. § 101-29.502 Use of Federal specifications and interim Federal specifications in Federal construction contracts.
Title 41 - Public Contracts and Property Management
When material, equipment, or services covered by an available Federal specification or interim Federal specification are specified in connection with Federal construction, the Federal specification or interim Federal specification shall be made part of the specification for the construction contract, subject to provisions in §§101–29.402, 101–29.403, and 101–29.501.
Title 41: Public Contracts and Property Management
PART 101–29—FEDERAL PRODUCT DESCRIPTIONS
Subpart 101–29.5—Use of and Optional Use of Federal Product Descriptions and Agency Product Descriptions
§ 101-29.502 Use of Federal specifications and interim Federal specifications in Federal construction contracts.