Wis. Stat. § 229.16: Donations and miscellaneous receipts.

(1) All moneys, books, specimens and other property received by devise, bequest or gift for the purposes of the public museum shall, unless otherwise directed by the donor, be under the management and control of the board of trustees of the public museum.

(2) All moneys derived from penalties for violations of the regulations of the public museum, or from any other source in the course of the administration thereof, including all moneys paid to the city upon any policy of insurance or other obligation or liability for or on account of loss or damage to property pertaining to the public museum, shall be credited to public museum funds and may be expended in the manner prescribed in s. 229.15 (2), in addition to the annual tax.