Ballots shall be of suitable design, size, and stock to permit processing by a ballot scanner and shall be printed in black ink on clear, white, or colored material. Other than ballots delivered electronically to qualified electors who are entitled to vote by absentee ballot under the federal Uniformed and Overseas Citizens Absentee Voting Act, 52 U.S.C. Section 20301, et seq., the ballots shall be printed on security paper that incorporates features which can be used to authenticate the ballot as an official ballot but which do not make the ballot identifiable to a particular elector, provided that at least one such feature is a visible watermark that identifies the ballot as an official Georgia ballot.
OCGA § 21-2-372