U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
(a) General. The HSAR, which encompasses both Department-wide and Component-unique guidance, conforms to the arrangement and numbering system prescribed by (FAR) 48 CFR 1.105-2. Guidance that is unique to a Component contains the organization's acronym or abbreviation directly following the title. The following acronyms and abbreviations apply: