Except as provided in this chapter, the director shall not approve any substance use disorder facility, plan, or program for financial assistance under RCW
71.24.520 unless at least ten percent of the amount spent for the facility, plan, or program is provided from local public or private sources. When deemed necessary to maintain public standards of care in the substance use disorder facility, plan, or program, the director may require the substance use disorder facility, plan, or program to provide up to fifty percent of the total spent for the program through fees, gifts, contributions, or volunteer services. The director shall determine the value of the gifts, contributions, and volunteer services.