O.C.G.A. § 15-6-23: Signing documents in any county in circuit.

Any judge of the superior courts may sign any document connected with the official duties of his office in any county comprising a part of his circuit, including all writs, orders, judgments, and warrants required to be signed by the judge. The document may be signed by the judge in any county within his circuit in which he is present at the time the document is signed.