Wis. Stat. § 55.03: Status of guardian.

(1) Agency as both guardian and provider prohibited. No agency acting as a guardian appointed under s. 48.9795, ch. 54, 2017 stats., or ch. 880, 2003 stats., may be a provider of protective services or protective placement for its ward under this chapter.

(2) Transfer of guardianship and legal custody. Nothing in this chapter may be construed to prohibit the transfer of guardianship and legal custody under s. 48.427 or s. 48.43.

(3) Guardian authority and responsibility applicable to parent of minor. Where any responsibility or authority is created under this chapter upon or in relation to a guardian, the responsibility or authority is deemed to apply to a parent or person in the place of a parent in the case of a minor who is or who is alleged to have a developmental disability.

(4) Guardian authority for making protective placement. No guardian or temporary guardian may make a permanent protective placement of his or her ward unless ordered by a court under s. 55.12, but a guardian or temporary guardian may admit a ward to certain residential facilities under s. 55.055 or make an emergency protective placement under s. 55.135.