In this chapter:
(1) "Account" means the oil overcharge account.
(2) "Applicable federal guidelines" means federal court judgments or orders, case settlements, laws, regulations, or other requirements or discretionary authority, imposed by the judicial, legislative, or executive branch, that govern or restrict the use of money received by the state because of petroleum overcharge litigation relating to the overpricing of crude oil or refined petroleum products during the 1973-1981 period of mandatory federal price controls.
(3) "Energy office" means the state energy conservation office of the comptroller's office as established by Chapter 447.
(4) "Supervising state agency" means the state agency, department, commission, or other entity designated by this chapter or by the governor to supervise, manage, or administer a program financed under this chapter.