Minn. Stat. § 246.511

Except for substance use disorder services paid for with money provided under chapter 254B, the executive board must not require under section 246.51 a client's relatives to pay more than the following: (1) for services provided in a community-based service, the noncovered cost of care as determined under the ability to pay determination; and (2) for services provided at a regional treatment center operated by state-operated services, 20 percent of the cost of care, unless the relatives reside outside the state. The executive board may accept voluntary payments in excess of 20 percent. The executive board may require full payment of the full per capita cost of care in state facilities for clients whose parent, parents, spouse, guardian, or conservator do not reside in Minnesota.