CFR › Title 48 › Part 517 › §517.10948 CFR §517.109Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkUse of the FAR clause at 52.217-2 is optional in multi-year contracts authorized by—(a)40 U.S.C. 581(c)(6) for the inspection, maintenance, and repair of fixed equipment in a federally-owned building; and(b)40 U.S.C. 501(b)(1)(B) for public utility services.