All officers of any such city shall aid the board in all proper ways in carrying out ss. 63.18 to 63.53, and at any place where examinations are to be held, shall allow the reasonable use of the public buildings for holding such examinations. The mayor of each city shall cause suitable rooms to be provided for the board at the expense of the city, and a sufficient sum of money shall be appropriated each year by each city to carry out ss. 63.18 to 63.53 in the city.
Wis. Stat. § 63.22