All revenue bonds issued under this article shall have and are declared to have all the qualities and incidents of negotiable instruments under the negotiable instruments law of the state. Such bonds, their transfer, and the income therefrom shall be exempt from all taxation in this state.
(Ga. L. 1953, Jan.-Feb. Sess., p. 302, § 16; Code 1933, § 95A-1253, enacted by Ga. L. 1973, p. 947, § 1.)