E - Elderly or of advanced age (65 years of age or older),
D - Disabled physically,
MOS - Military overseas,
MST - Military stateside,
OST - Overseas temporary,
OSP - Overseas permanent resident,
NR - No reason is provided.
To facilitate ballot tabulation, registrars or absentee ballot clerks shall note on the face of the absentee oath envelope the absentee elector's precinct and, in the case of a primary or primary runoff, the party in whose primary or primary runoff the elector is voting and "MIDR" if the voter is voting for the first time pursuant to O.C.G.A. § 21-2-417(c).
Ga. Comp. R. & Regs. R. 183-1-14-.01
O.C.G.A. §§ 21-2-31, 21-2-381.