By the state of principal use which issued the certificate of number under a federally approved numbering system.
The certificate of number is carried on the boat, except as provided in subsection (2) of this section.
Persons renting a boat from an operator of a boat livery are not required to carry the certificate of number on the boat, provided:
The operator of the boat livery retains the certificate of number at the livery office for immediate inspection by a peace officer;
The boat is clearly marked and identified as a livery boat; and
The boat operator has a signed rental or lease agreement containing the boat’s identifying number and the period of time for which the boat is rented or leased. [Formerly 488.720; 2003 c.14 §502; 2019 c.155 §4]