33 C.F.R. § 181.21 Purpose, applicability and effective dates.
Title 33 - Navigation and Navigable Waters
This subpart prescribes the requirements for identification of boats to which section 46 U.S.C. 4301 applies. [CGD 79–013, 48 FR 40718, Sept. 9, 1983, as amended by USCG–1998–3799, 63 FR 35534, June 30, 1998; USCG–1999–5832, 64 FR 34716, June 29, 1999]
Title 33: Navigation and Navigable Waters
PART 181—MANUFACTURER REQUIREMENTS
Subpart C—Identification of Boats
§ 181.21 Purpose, applicability and effective dates.

