(a) Except as provided by Subsection (b), a unit may not lend its credit or grant public money or another thing of value in aid of a corporation.
(b) A municipality may grant public money to a corporation under a contract authorized by Section 380.002.
(c) The grants, loans, expenditures, and tax exemptions authorized by this subtitle in connection with a project and authorized by a corporation in accordance with this subtitle constitute the making of loans or grants of public money or constitute other actions authorized by Section 52-a, Article III, Texas Constitution.