US lawFederal (United States)RegulationsTitle 48 CFR — Federal Acquisition Regulations SystemChapter 16 — OFFICE OF PERSONNEL MANAGEMENT FEDERAL EMPLOYEES HEALTH BENEFITS ACQUISITION REGULATIONPart 1604 — ADMINISTRATIVE MATTERSSubpart 1604.9—Taxpayer Identification Number1604.97048 C.F.R. § 1604.970Taxpayer Identification Number.Last amended: 2016Year: 2026Length: 10 wordsOfficial source Cite as 48 C.F.R. § 1604.970 (2026)Insert the clause at section 1652.204-73 in all FEHBP contracts.