Wis. Stat. § 52.10: Scope.

(1) If an adult with a functional impairment decides voluntarily, without coercion, to enter into a supported decision-making agreement with a supporter, that adult may, in the agreement, authorize the supporter to do any of the following:

(a) Provide supported decision-making to the adult with a functional impairment, including assistance in understanding the options, responsibilities, and consequences of that person’s life decisions, without making those decisions on behalf of that person.

(b) Assist the adult with a functional impairment in accessing, collecting, and obtaining information that is relevant to a given life decision, including medical, psychological, financial, educational, or treatment records, from any person.

(c) Assist the adult with a functional impairment in understanding the information described in par. (b).

(d) Assist the adult with a functional impairment in communicating the adult’s decisions to appropriate persons.

(2) A supporter is not a surrogate decision maker for the adult with a functional impairment and does not have the authority to sign legal documents on behalf of the adult with a functional impairment or bind the adult with a functional impairment to a legal agreement.