Texas Health and Safety Code - HEALTH & SAFETY § 771.058. Optional Participation in Plan

(a) In a county with a population of 120,000 or less, the county or another public agency, other than the state, located in the county is not required to participate in the regional plan applicable to the regional planning commission in which it is located, and the fee imposed under this chapter may not be charged to a customer in the county or territory of the public agency other than the county, unless the county or other public agency chooses to participate in the plan by resolution of its governing body.

(b) On approval by the commission, an emergency communication district may choose to participate in the regional plan applicable to the regional planning commission region in which the district is located. An emergency communication district described by Section 771.001(3)(A) may choose to participate in the regional plan by resolution of its governing body or by adoption of an ordinance. An emergency communication district described by Section 771.001(3)(B) may choose to participate in the regional plan by order of the district's board after a public hearing held in the manner required for a public hearing on the continuation of the district under the law governing the district. Following the adoption of the resolution, ordinance, or order and approval by the commission, the regional planning commission shall amend the regional plan to take into account the participation of the emergency communication district.

(c) Participation in the regional plan by an emergency communication district does not affect the organization or operation of the district, except that the district may not collect an emergency communication fee or other special fee for 9-1-1 service not permitted by this chapter. Participation by the district in the plan does not affect the district's authority to set its own fees in the territory under its jurisdiction on January 1, 1988. Participation in the regional plan by a public agency or group of public agencies operating as an emergency communication district as provided by Subsection (d) does not affect the authority of the public agency or group of public agencies to set its own fees in territory:

(d) In a county with a population of 120,000 or less, a public agency or group of public agencies acting jointly that contracted with a service provider before September 1, 1987, to provide 9-1-1 service by resolution of its governing body may withdraw from a regional plan in which it chooses to participate. A public agency or group of public agencies that withdraws from a regional plan under this subsection shall be recognized and operate as an emergency communication district in the agency's or group's geographic jurisdiction. As an emergency communication district, the public agency or group of agencies: