175.311  Municipalities, special fire control districts, and boards independent of each other.--In the enforcement and in the interpretation of the provisions of this chapter, each municipality and each special fire control district shall be independent of any other municipality or special fire control district, and the board of trustees of the firefighters' pension trust fund of each municipality and each special fire control district shall function for the municipality or special fire control district which it serves as trustee. Each board of trustees shall be independent of the municipality or special fire control district for which it serves as board of trustees to the extent required to accomplish the intent, requirements, and responsibilities provided for in this chapter.