The Department may award partnership funding that results in a county being responsible for less than 1/2 of the cost of the approved partnership funding after considering: The financial hardship of the participating county; Prior and current contributions of funds for substance abuse treatment programs made by the participating county; and Other relevant considerations considered appropriate by the Department. A participating jurisdiction shall use partnership funding only to supplement levels of spending by the participating jurisdiction on drug treatment programs. A participating jurisdiction may not use partnership funding to supplant spending by the participating jurisdiction on drug treatment programs. A participating jurisdiction may use partnership funding to continue or expand funding for eligible functions if the participating jurisdiction began spending funds on eligible functions after October 1, 2010.