O.C.G.A. § 25-2-14.1 (2019)

(a) Every building and structure existing as of April 1, 1968, which building or structure is listed in paragraph (1) of subsection (b) of Code Section 25-2-13 shall comply with the minimum fire safety standards adopted in the rules and regulations promulgated pursuant to this chapter which were in effect at the time such building or structure was constructed, except that any nonconformance noted under the electrical standards adopted at the time such building or structure was constructed shall be corrected in accordance with the current electrical standards adopted pursuant to this chapter. A less restrictive provision contained in any subsequently adopted minimum fire safety standard may be applied to any existing building or structure.

(b) Every proposed building and structure listed in paragraph (1) of subsection (b) of Code Section 25-2-13 shall comply with the adopted minimum fire safety standards that were in effect on the date that plans and specifications therefor were received by the state fire marshal, the proper local fire marshal, or state inspector for review and approval.