The Commissioner may require the disclosure of social security numbers in connection with the administration of any tax, beverage alcohol, or motor vehicle registration law within his jurisdiction for the purpose of establishing the identification of individuals affected by such law, and for all other lawful purposes.
Ga. Comp. R. & Regs. R. 560-1-1-.18
O.C.G.A. Secs. 48-2-1, 48-2-12, 3-2-2; 5 U.S.C. Sec. 552(a), Note, Section 7(a)(2); 42 U.S.C. Sec. 405(c)(2)(C)(i).