The Superintendent of Parks or his authorized representatives may waive the charges specified in Section 20.38.050 for use of multi-purpose rooms by community groups which provide information to the community relating to the community’s health, education, or welfare. Such groups shall not charge members of the public to attend any such function and such function shall be open to the public. Groups eligible for fee waiver shall not be commercial, partisan, political, or religious groups and shall not use the Center to advocate for or against any candidate for public office, or for or against any measure or proposition to be voted upon by the voters.