(a)(1) Each ordinance adopted by a local government possessing an approved enterprise zone, when applicable, shall provide encouragement and incentives to increase rehabilitation, renovation, restoration, improvement for new construction for housing and the economic viability and profitability of businesses and commerce located within such enterprise zones.

(2) Creation of an enterprise zone shall be consistent with the comprehensive plan or plans of the jurisdiction or jurisdictions designating the enterprise zone which plan or plans are adopted pursuant to Chapter 70 of this title.

(3) Each local government possessing an enterprise zone may review its ordinances to determine which ordinances may have a negative effect upon the rehabilitation, renovation, restoration, improvement, or new construction of housing, or the economic viability and profitability of businesses and commerce located within an enterprise zone. Such local government may waive, amend, or otherwise modify such ordinances so as to minimize such adverse effect.

(b) Nothing in this Code section shall authorize any local government to waive, amend, provide exceptions to or otherwise modify or alter any ordinance which is:

(1) Expressly required to implement or enforce any statutory provisions; or

(2) Designed to protect persons against discrimination on the basis of race, color, creed, national origin, sex, age, or handicap.

(c) Nothing in this Code section shall be construed so as to rescind the authority granted to local governments to create, maintain, and regulate enterprise zones pursuant to any local enterprise zone law in effect on July 1, 1997.