Ga. Const. art. IX, § V, para. IV

Exceptions to debt limitations. Notwithstanding the debt limitations provided in Paragraph I of this section and without the necessity for a referendum being held therefor, the governing authority of any county, municipality, or other political subdivision of this state may, subject to the conditions and limitations as may be provided by general law: (1) Accept and use funds granted by and obtain loans from the federal government or any agency thereof pursuant to conditions imposed by federal law. (2) Incur debt, by way of borrowing from any person, corporation, or association as well as from the state, to pay in whole or in part the cost of property valuation and equalization programs for ad valorem tax purposes.