CFR › Title 31 › Part 0 › §0.21331 CFR §0.213Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Employees shall not make improper purchases with government contractor-issued charge cards.(b)Employees shall timely pay undisputed amounts owed on government contractor-issued travel charge cards.