2.__Rights and obligations of new participating municipality; charter revision.__A participating municipality that, as provided in subsection 1, is added to an existing municipal service district has and assumes in common with other participating municipalities all rights and obligations of those municipalities under and related to the municipal service district charter, including but not limited to its pro rata share of any debt obligations.

3.__Cost of petition process.__The costs and expenses of the petition process to add a participating municipality in accordance with subsection 1, as determined by the municipal service district officers, must be borne by the participating municipality that initiated the petition if the voters within the municipal service district do not approve its inclusion within the municipal service district.__If those voters do approve the municipality's inclusion, the municipal service district shall bear these costs and expenses.

4.__Regional service centers.__If a municipality or municipalities that constitute a regional service center are unable to join a municipal service district as a result of a vote conducted pursuant to subsection 1 or the unwillingness of other municipalities to enter into a municipal service district with that regional service center, as determined and qualified__by the Executive Department, State Planning Office in accordance with a rule adopted pursuant to Title 5, chapter 375, a regional service center may by itself form a municipal service district.__A regional service center that establishes a municipal service district pursuant to this subsection has the rights and obligations of a municipal service district provided by law, including but not limited to those provided by this chapter and chapter 112-A.__Rules adopted by the State Planning Office pursuant to this subsection must identify information that a regional service center must provide to demonstrate eligibility to form a municipal service district and any additional and related criteria or procedures related to formation of a municipal service district under the circumstances provided for by this subsection.__For purposes of this subsection, "regional service center" means a service center community as defined by section 4301.__Rules adopted pursuant to this subsection are