Purchase contracts may provide for payment over a period of time. Such instances shall carry written prior approval of the administrative head of the agency. Administrative heads and governing board of agencies shall see that statutory or other prohibitions are not violated. The intended plan of payment shall be included in the procurement document.
Ga. Comp. R. & Regs. R. 665-2-11-.02
O.C.G.A. Secs. 50-25-7.3, 50-25-4.