Fla. Stat. § 327.10
(1) Every vessel that is required to be registered and that is using the waters of this state shall be registered and numbered within 30 days after purchase by the owner except as specifically exempt. During this 30-day period, the operator is required to have aboard the vessel and available for inspection a bill of sale. The bill of sale for the vessel shall serve as the temporary certificate of number that is required by federal law and must contain the following information:
(2) No person shall operate or give permission for the operation of any such vessel on such waters unless:
(a) Such vessel is registered within 30 days after purchase by the owner and numbered with the identifying number set forth in the certificate of registration, displayed:
1. In accordance with s. 327.11(4), except, if the vessel is an airboat, the registration number may be displayed on each side of the rudder; or
2. In accordance with 33 C.F.R. s. 173.27, or with a federally approved numbering system of another state; and
History.--s. 1, ch. 59-399; s. 1, ch. 65-361; s. 1, ch. 74-62; s. 3, ch. 74-327; s. 3, ch. 81-100; s. 1, ch. 83-102; s. 4, ch. 84-184; s. 49, ch. 95-333; s. 54, ch. 96-413.
Note.--Former s. 371.041.