(1) Already covered by a number in full force and effect which has been awarded to it pursuant to federal law or a federally approved numbering system of another state, provided that the boat has not been within this state for more than ninety (90) consecutive days;

(2) A motorboat from a country other than the United States temporarily using the waters of this state;

(3) A motorboat whose owner is the United States, a state, or a subdivision of a state;

(4) A ship's lifeboat;

(5)

(A) A motorboat used for demonstration purposes or testing purposes only by a recognized motorboat dealer or manufacturer or agent to promote the sale or development of the motorboat.

(B) All motorboat dealers or manufacturers wishing to obtain the benefits of this subdivision (5) shall obtain a permit from the Revenue Division of the Department of Finance and Administration to operate as a motorboat dealer or manufacturer and for each annual license period shall pay a fee of two dollars ($2.00) for the permit.

(C) The division may issue, subject to the rules of the Arkansas State Game and Fish Commission, to a motorboat dealer or manufacturer an identifying certificate of number and require the attachment or display of the number on both sides of the bow of any motorboat used for demonstration or testing purposes while the motorboat is being operated for demonstration or testing purposes on the waters of this state; or

(6) A newly purchased motorboat that is operated for a period not to exceed twenty (20) working days from the date of purchase, provided that the owner or operator of the motorboat has aboard the vessel the bill of sale or acceptable proof of purchase indicating the date of purchase, the name and address of the owner, and description and hull identification number of the vessel.