A.__A watercraft that has or is required to have a valid marine document as a watercraft of the United States;

B.__A motorboat already covered by a current certificate of number issued under a federally approved numbering system of another state or a federal law, as long as the number so issued is displayed on the motorboat and as long as the motorboat has not been within this State for a period in excess of 60 consecutive days after the state of principal use has been changed;

C.__Military or public watercraft, except recreational type watercraft of the United States;

D.__A motorboat whose owner is the United States, a state or subdivision thereof that is used for governmental purposes and is clearly identifiable as such;

E.__A ship's lifeboat;

F.__A motorboat from a country other than the United States, as long as the motorboat has not been within this State for a period in excess of 60 consecutive days; and

G.__A. motorboat used exclusively for racing purposes that displays on its hull in a prominent manner a valid boat number issued by a recognized racing association.

3.__Other watercraft may be numbered.__Nothing in this section prohibits the numbering of any watercraft upon the request of the owner.__The owner shall comply with all applicable requirements of this chapter if the owner chooses to number a watercraft.

4.__Application.__The owner of a motorboat requiring or of a watercraft for which the owner wishes to request a certificate of number shall make application to the commissioner on forms approved by the commissioner.__The application must show the legal residence of the applicant and the place where the watercraft is situated.

5.__Issuance.__Upon receipt of the approved application with the proper fee, the commissioner shall enter the application upon