CFR›Title 47›Chapter I›Part 63›Subject Group General Provisions Relating to All Applications Under Section 214 ContainsSections 63.50–63.53CorpusDaily eCFRDisplayed edition2026-07-13Last updated2026-07-13 Sections 63.50 § 63.50 Amendment of applications. 63.51 § 63.51 Additional information. 63.52 § 63.52 Copies required; fees; and filing periods for domestic authorizations. 63.53 § 63.53 Form. Previous Extensions and Supplements Extensions and Supplements Next Request for Designation as a Recognized Private Operating Agency Request for Designation as a Recognized Private Operating Agency