CFR › Title 7 › Part 91 › §91.387 CFR §91.38Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)The applicant for appeal sample testing will be charged a fee based on the formulas in § 91.37.(b)The appeal fee will not be waived for any reason if analytical testing was completed in addition to the original analysis.