41 C.F.R. § 101-29.219 Index of Federal Specifications, Standards and Commercial Item Descriptions.
Title 41 - Public Contracts and Property Management
The Index of Federal Specification, Standards and Commercial Item Descriptions is a GSA publication that lists Federal specifications, qualified products lists, standards, and commerical item descriptions.
Title 41: Public Contracts and Property Management
PART 101–29—FEDERAL PRODUCT DESCRIPTIONS
Subpart 101–29.2—Definitions
§ 101-29.219 Index of Federal Specifications, Standards and Commercial Item Descriptions.