The people of the town, by their approval of the ordinances from which this chapter was derived at the elections provided for in section 3-2-3 of this chapter, hereby authorize the board of trustees, by ordinances duly enacted, to make such administrative and technical changes or additions in the method and manner of administration and enforcing this chapter as may be necessary or proper for efficiency and fairness, except that the rate of the tax herein provided shall not be changed without approval of the qualified electors of the town as provided by law. (2002 Code)