After the time for submitting a petition under G.S. 160A-870 has passed and no petition has been submitted or the referendum authorized under this Part was answered in favor of dissolution, the city may implement the plan of action. The effective date of the plan of action to dissolve shall be June 30 following completion of the process established by this Part. Upon completion of the plan of action and written confirmation of its completion from the Commission, the city shall file a copy of the resolution to dissolve with the Commission and the Secretary of State. Upon filing of the resolution to dissolve, the body politic and corporate of the city shall cease to exist. (2021-124, s. 6.)