Georgia Code Title 21. Elections § 21-2-280

All primaries and elections in this state shall be conducted by ballot, except when voting machines are used as provided by law. A ballot may be electronic or printed on paper. All ballots used in any primary or election shall be provided by the superintendent or municipal governing authority in accordance with this article, and only official ballots furnished by the superintendent or governing authority shall be cast or counted in any primary or election in any precinct in which ballots are used.