Georgia Code Title 45. Public Officers and Employees § 45-17-34

If the signature, rank, and branch of service, or subdivision thereof, of any commissioned officer provided for in Code Section 45-17-30 appears upon any instrument, document, or certificate, no further proof of the authority of such officer so to act shall be required; and such action by such commissioned officer shall be prima-facie evidence that the person making such oath or acknowledgment is within the purview of Code Sections 45-17-30 to 45-17-33 and this Code section.