The several public entities are authorized to and shall make or approve the payments required by Section 305(2) of the Uniform Act for expenses incidental to the transfer of real property acquired by any of the several public entities, for prepayment of mortgage penalties, and for a pro rata portion of real property taxes on real property acquired by any of the several public entities from any person, family, business, farm operation, or nonprofit organization displaced by federal-aid projects in the state, the costs of which are now or hereafter financed in whole or in part from federal funds allocated to any of the several public entities.
OCGA § 22-4-6