The governing body of a city or town may, by ordinance, with notice and public hearing:
(1) Decrease or terminate the type of services and associated fees that the urban service district is authorized to provide, unless fifty percent (50%) or more of the electors residing in the district protest;
(2) Enlarge the district to include adjacent land if fifty percent (50%) or more of the electors residing in the proposed addition do not protest and the advisory board or administrative board of the original district consents;
(3) Combine the urban service district with another urban service district for ease of administration, unless fifty percent (50%) or more of the electors in either district protest, but it may not combine advisory boards or administrative boards without the concurrence of each;
(4) Abolish the urban service district unless fifty percent (50%) or more of the electors in the district protest;
(5) Change the method for administering the urban service district, unless fifty percent (50%) of the electors in the district protest.
(6) Provided, that existing advisory boards or administrative boards cannot be dissolved, diminished, or combined without their consent; and
(7) Increase or change the services or service charges that the urban service district is authorized to provide upon petition of no less than twenty-five percent (25%) of the electors of the district;