14 CFR § 47.67
Evidence of ownership
July 13, 2020
Before using a Dealer's Aircraft Registration Certificate, AC Form 8050-6, for operating the aircraft, the holder of the certificate (other than a manufacturer) must send to the Registry evidence of ownership under §47.11. An Aircraft Bill of Sale, AC Form 8050-2, or its equivalent, may be used as evidence of ownership. There is no recording fee.
[Amdt. 47-29, 75 FR 41983, July 20, 2010]