A person whose name appears as the owner of a vessel on a certificate of number shall surrender the certificate in a manner prescribed by the issuing authority within 15 days after it becomes invalid under paragraph (b), (c), (d), or (e) of § 173.77.
source: CGD 72-54R, 37 FR 21399, Oct. 7, 1972, unless otherwise noted.
cite as: 33 CFR 173.31