VESSELS NUMBERED UNDER FEDERAL OR OTHER STATE LAW.
Tex. PARKS & WILD Code § 31.023.
in effectThe owner of any vessel for which a current certificate of number has been awarded under any federal law or a federally approved numbering system of another state shall, if the vessel is operated on the water of this state in excess of 90 consecutive days, make application for a certificate of number in the manner prescribed in this chapter for residents of this state.
