O.C.G.A. § 10-1-359.4: Authority of localities.

(a) The General Assembly finds that this article is a matter of state-wide concern. This article supersedes and preempts all rules, regulations, codes, ordinances, and other laws adopted by any county, municipality, consolidated government, or other local governmental agency regarding the sale or purchase of regulated metal property except as allowed in this Code section.

(b) Political subdivisions of this state may enact rules, regulations, codes, ordinances, and other laws:

(1) Affecting the land use and zoning relating to secondary metals recyclers; and

(2) Issuing occupational tax certificates to secondary metals recyclers, imposing occupational taxes, imposing regulatory fees as allowed in Code Section 48-13-9, or revoking their occupational tax certificates.