An agency may not enter into an agreement or contract that requires or permits the agency to exceed its duties and responsibilities or the limitations of its appropriated funds. Tex. Gov’t Code § 771.010.

An agency may agree or contract with another agency for the provision of necessary and authorized services or resources. An agency may not provide services or resources to another agency that are required by Article XVI, Section 21, of the Texas Constitution to be provided under a contract awarded to the lowest responsible bidder. Tex. Gov’t Code § 771.003.