(a) Local laws enacted pursuant to the authority of this chapter shall be subject to the following requirements:

(1) A local law enacted pursuant to the authority of Code Section 36-68-2 shall provide for the creation of a special tax district consisting of the territory lying within the corporate boundaries of the municipality for the purpose of the successor county government levying a tax therein sufficient to retire the bonded indebtedness of the municipality which was outstanding on the effective date of the repeal of the charter of the municipality;

(2) The effectiveness of local laws described in paragraphs (3) and (4) of this subsection shall be contingent upon their approval by the governing authorities of the affected municipality and county prior to the referendums provided for in paragraphs (3) and (4) of this subsection;

(3) The effectiveness of a local law repealing the charter of a municipality shall be contingent upon its approval by a majority of the voters voting within the municipality and upon the parallel local law described by paragraph (4) of this subsection becoming effective; and

(4) The effectiveness of a local law enacted pursuant to the authority of Code Section 36-68-2 shall be contingent upon its approval by a majority of the voters voting throughout the territorial boundaries of the applicable county and upon the parallel local law described by paragraph (3) of this subsection becoming effective.

(b) The requirement for a referendum to repeal a municipal charter under paragraph (3) of subsection (a) of this Code section shall apply to the repeal of a municipal charter only when such repeal is a part of a governmental reorganization described by Code Section 36-68-1.