An ROTC instructor is deemed to be eligible for TRS membership if more than one-half of his or her salary is paid by the local school system employing such instructor and such individual is eligible to establish previous service of this type of employment.
Ga. Comp. R. & Regs. R. 513-5-1-.37
O.C.G.A. Secs. 47-3-1, 47-3-26.