O.C.G.A. § 44-13-3: Supplementation of exemption.

It shall be the right of the applicant to supplement his exemption by adding to an amount already set apart, which amount is less than the whole amount of the exemption allowed by this article, enough to make his exemption equal to the whole amount allowed by resorting to the methods for setting apart and valuation of the exemptions provided in this chapter. The proceedings shall be in all respects the same.