The department may cooperate with the federal government in carrying out federal acts concerning public assistance under this subchapter, child welfare under ch. 48, and community-based juvenile delinquency-related services under ch. 938 and in other matters of mutual concern pertaining to public welfare, child welfare, and juvenile delinquency under this subchapter and chs. 48 and 938.
Wis. Stat. § 49.275