StacksVerified U.S. regulatory reference

9 CFR §147.1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Blood testing must be conducted in a manner approved by the Administrator. Approved blood testing procedures are listed in the NPIP Program Standards, as defined in § 147.51. Blood testing procedures may also be approved by the Administrator in accordance with § 147.53(d)(1).