(a) The comptroller by rule may:
(1) require state agencies to modify, delay, or stop the implementation of individual accounting and payroll systems, including individual enterprise resource planning systems, so that those systems are compatible with the uniform statewide accounting system; and
(2) adopt standards for implementation and modification of state agency enterprise resource planning systems.
(b) The comptroller may require a state agency to:
(1) replace its internal enterprise resource planning system or accounting and payroll system with project components to provide uniformity in internal accounting and other enterprise resource planning system functions; and
(2) modify its internal enterprise resource planning system or accounting and payroll system to provide uniformity in internal accounting and other enterprise resource planning system functions.

(c) The expenditure of state funds for the establishment, modification, or maintenance of an individual enterprise resource planning system or accounting or payroll system must be in accordance with any rules regarding the development, implementation, or use of the uniform statewide accounting system.
(d) Notwithstanding any other provision of this chapter or other law, this section and any rules implementing this section apply only in relation to a state agency as defined by § 2054.003.
(e) Notwithstanding Subsection (d), a state agency in the legislative branch may elect to participate in the enterprise resource planning system developed under this section.