Georgia Code Title 8. Buildings and Housing § 8-3-156

The exercise by a state public body of the powers granted by this article may be authorized by resolution of the governing body of such state public body. The resolution shall be adopted by a majority of the members of the governing body present at a meeting of said governing body, which resolution may be adopted at the meeting at which such resolution is introduced. Such a resolution or resolutions shall take effect immediately and need not be laid over or published or posted.