175.152  Contributions.--Except as provided in s. 175.091(1)(b), the municipal or special fire control district officer or board paying salaries to firefighters entitled to the benefit of this chapter shall deduct 5 percent from each installment of salary of each firefighter so long as such firefighter shall hold office or be employed. The amount so deducted shall be deposited as provided in s. 175.301. Under no circumstances may a municipality or special fire control district reduce the member contribution to less than 1 percent of salary.