§ 173.15 Vessel number required.

(a) Except as provided in § 173.17, no person may use a vessel to which this part applies unless:

(1) It has a number issued on a certificate of number by the issuing authority in the State of principal operation; and

(2) The number is displayed as described in § 173.27.

(b) This section does not apply to a vessel for which a valid temporary certificate has been issued to its owner by the issuing authority in the State of principal operation.

[CGD 72–54R, 37 FR 21399, Oct. 7, 1972, as amended by USCG–2003–14963, 77 FR 18699, Mar. 28, 2012]