O.C.G.A. § 36-61-5: Resolution of necessity prerequisite to exercise of powers.

No municipality or county shall exercise any of the powers conferred upon municipalities and counties by this chapter until after its local governing body has adopted a resolution finding that:

(1) One or more pockets of blight exist in such municipality or county; and

(2) The rehabilitation, conservation, or redevelopment, or a combination thereof, of such area or areas is necessary in the interest of the public health, safety, morals, or welfare of the residents of the municipality or county.