Home › CFR › Title 48 › Part 352 › §352.270-4a48 CFR §352.270-4a — Notice to Offerors, Protection of Human Subjects.Verified against eCFR.gov as of November 12, 2026 ↗View official text on eCFR.gov ↗Copy linkAs prescribed in HHSAR 370.303(a), the Contracting Officer shall insert the following provision: Alternate I (DEC 2015).