(a) The domicile of the commission is fixed at the capital; and no courts of this state other than those of Fulton County shall have or take jurisdiction in any action brought or instituted against the commission or on account of any of its orders or rules, provided that nothing in this Code section shall prevent the courts of the county in which is located the principal office of a business entity regulated by the commission from having or taking jurisdiction in any action brought or instituted against that business entity as a result of any such commission order or rule.

(b) The commission shall be furnished with necessary furniture and stationery and an office in Atlanta.