The proceeds of the sales and use tax imposed under this chapter may be used to:
(1) pay the costs of projects of the types added to the definition of "project" by Subchapter D; or
(2) pay the principal of, interest on, and other costs relating to bonds or other obligations issued by the Type B corporation to:
(A) pay the costs of the projects; or
(B) refund bonds or other obligations issued to pay the costs of projects.