CFR›Title 27›Chapter I›Part 13›Subpart E ContainsSections 13.51–13.54CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart E—Revocation by Operation of Law or Regulation Sections 13.51 § 13.51 Revocation by operation of law or regulation. 13.52 § 13.52 Notice of revocation. 13.53 § 13.53 Appeal of notice of revocation. 13.54 § 13.54 Decision after appeal. Previous D Subpart D—Revocations of Specific Certificates Next F Subpart F—Miscellaneous