(1) The short title of this section is the "Mussel-free Colorado Act".

(2) (a) For any motorboat or sailboat registered in Colorado pursuant to section 33-13-103 for the year 2019 and thereafter, a person shall purchase a separate aquatic nuisance species stamp from the division at a cost of twenty-five dollars to operate or use the motorboat or sailboat on the waters of this state or to possess the motorboat or sailboat at a vessel staging area.

(b) On and after January 1, 2019, for any motorboat or sailboat exempted from registration in Colorado pursuant to section 33-13-103 (1)(b) to (1)(d), a person shall purchase an aquatic nuisance species stamp from the division at a cost of fifty dollars to operate or use the motorboat or sailboat on the waters of this state or to possess the motorboat or sailboat at a vessel staging area; except that a person exempted from registration in Colorado under section 33-13-103 (1)(b), but who is a Colorado resident, need only pay twenty-five dollars for an aquatic nuisance species stamp pursuant to subsection (2)(a) of this section.

(c) A person who pays for an aquatic nuisance species stamp for a motorboat or sailboat shall, when operating the motorboat or sailboat, retain the stamp receipt on his or her person or on the motorboat or sailboat.

(3) The parks and wildlife commission may, by rule adopted after August 8, 2018, adjust the amount of the aquatic nuisance species stamp described in subsection (2) of this section by an amount up to the total amount reflected by the changes made in the United States bureau of labor statistics consumer price index for the Denver-Boulder-Greeley consolidated metropolitan statistical area for all urban consumers and all goods, or its successor index.

(4) The division shall transmit the stamp feescollected pursuant to this section to the state treasurer, who shall credit them to the division of parks and wildlife aquatic nuisance species fund created in section 33-10.5-108.