The person or entity responsible for operating a stadium and exhibition center as defined in RCW
36.102.010 shall promote the lottery with any combination of in-kind advertising, sponsorship, or prize promotions, valued at one million dollars annually beginning January 1998 and increased by four percent each year thereafter for the purpose of increasing lottery sales of games authorized under RCW
67.70.043. The content and value of the advertising sponsorship or prize promotions are subject to reasonable approval in advance by the lottery commission. The obligation of this section shall cease when the distributions under *RCW
67.70.240(5) end, but not later than December 31, 2020.