The bond of the state treasurer shall extend to the faithful execution of the duties of the office of state treasurer until a successor is elected and fully qualified. If the treasurer elects to give bond guaranteed by a surety company, the cost thereof and of any additional bond required of and furnished by the treasurer and so guaranteed shall be borne by the state and shall be paid out of the appropriation to the office of the state treasurer; if the annual cost thereof does not exceed 0.25 percent of the amount of said bond.
Wis. Stat. § 14.60