(a) Every person owning and/or operating such vehicles shall make application for and obtain an annual decal from the Liquefied Petroleum Gas Board which shall serve as an identification marker that the flat fee has been paid. Each decal issued by the Liquefied Petroleum Gas Board shall not exceed a cost of five dollars ($5). The decal shall be in such form and of such size as the Liquefied Petroleum Gas Board shall prescribe. The decal shall be attached or affixed to the vehicle in the place and manner prescribed by the Liquefied Petroleum Gas Board. The decals provided for in this chapter shall be issued for a term that shall begin at April 1 of each year and expire on March 31 of the following year. If any vehicle is acquired, liquefied petroleum gas system installed or vehicle put in operation after September 30 the fee shall be one-half the flat fee stated in Section 40-17-160, or after December 31, the fee shall be one-fourth of the flat fee stated in Section 40-17-160. Owners of all newly converted vehicles must apply for the required decal as provided for in Section 40-17-160 within 10 days of the completion date in which the liquefied petroleum system was installed on the vehicle. Failure to submit an application within the 10-day period requires the payment of penalties as prescribed by Section 40-17-164.

(b) The board administrator and the board inspectors shall have the power and authority to issue a uniform nontraffic citation to any person violating this section. For the purpose of enforcing this section, there shall be prima facie evidence that a connected, operational liquefied petroleum gas carburetion/injection system, which is part of a dual or switchable gasoline-liquefied petroleum gas system, has been in use, if there is liquefied petroleum gas in the liquefied petroleum gas tank. Any violation of this section shall constitute a Class B misdemeanor.