O.C.G.A. § 48-13-115 (2019)
Nonparticipation of county within special district to enter into intergovernmental agreement
(a)(1) Within 30 days following the meeting required under Code Section 48-13-113, if the governing authority of the county within the special district fails or refuses to enter into an intergovernmental agreement with the governing authority of each municipality wishing to participate in such excise tax, then the governing authority of each municipality wishing to levy the excise tax shall be authorized to adopt an ordinance levying the excise tax within the corporate limits of such municipality. If a county elects not to participate in such excise tax by not signing such agreement, then the county shall not receive any proceeds from the excise tax. The proceeds of such excise tax shall be deposited in the general fund of each municipality.
(2) If, subsequent to the levy of an excise tax by a municipality under paragraph (1) of this subsection, a county determines to commence proceedings for the imposition of the excise tax authorized under this article, then proceedings for such imposition shall commence in the same manner as otherwise provided under Code Section