14 C.F.R. § 21.219 Transferability.
Title 14 - Aeronautics and Space
Class I provisional airworthiness certificates are not transferable. Class II provisional airworthiness certificates may be transferred to an air carrier eligible to apply for a certificate under §21.213(b).
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart I—Provisional Airworthiness Certificates
§ 21.219 Transferability.