Home › CFR › Title 48 › Part 26 › §26.50648 CFR §26.506 — Contract clause.Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkExcept as provided in 26.501, insert the clause at 52.226-7, Drug-Free Workplace, in solicitations and contracts.