An Authority that levies a tax under this Article may use the proceeds of the tax for any purpose for which the Authority is authorized to use funds. An Authority shall use the tax proceeds to supplement and not to supplant or replace existing funds or other resources for public transportation systems. Authorized purposes for which an Authority may use funds include the following:
(1) Pledging funds in connection with the financing of a public transportation system or any part of a public transportation system.
(2) Paying a note, bond, or other obligation entered into by the Authority pursuant to Article 26 or Article 27 of Chapter 160A of the General Statutes.