StacksVerified U.S. regulatory reference

49 CFR §604.21

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Based on new facts involving significant financial considerations, the Chief Counsel may take appropriate enforcement action contrary to an advisory opinion before amending or revoking the opinion. This action shall be taken only with the approval of the Administrator.