The purposes of this chapter are to develop and promote trade, commerce, industry, and employment opportunities for the public good and the general welfare and to promote the general welfare of the state. No bonds or bond anticipation notes, except refunding bonds, shall be issued by an authority under this chapter unless its board of directors adopts a resolution finding that the project for which such bonds or notes are to be issued will promote the foregoing objectives and will increase or maintain employment in the territorial area of such authority. Notwithstanding the foregoing requirement:

(1) Bonds or bond anticipation notes may be issued to finance projects for air and water pollution control facilities and for sewage and solid waste disposal facilities, as provided in this chapter, without a finding that the project will increase or maintain employment, so long as the appropriate certification described in this chapter has been secured from the federal, state, or local agency having jurisdiction in the premises; and

(2) Bonds or bond anticipation notes may also be issued by an authority to finance the acquisition or development of land as the site for an industrial park as provided in this chapter without a finding that the project will increase or maintain employment if its board of directors shall adopt a resolution finding that the tract of land to be included in the project is not intended for use by a single enterprise; will be suitable primarily for use as building sites for a group of enterprises engaged in industrial, distribution, or wholesale businesses; and that either:

(A) The control and administration of the tract is to be vested in the authority or in another county or joint county and municipal development authority (or in a corporation organized under Chapter 3 of Title 14, the "Georgia Nonprofit Corporation Code") having as one of its purposes the development of trade, commerce, industry, and employment opportunities; or

(B) The uses of such tract of land are to be regulated by protective restrictions to be approved by the authority and determined by the authority to be appropriate to encourage and facilitate use thereof by business enterprises engaged in industrial, distribution, or wholesale businesses.