Texas Government Code - GOV'T § 403.036. Appropriation Ledgers

(a) The comptroller shall keep an account for each legislative appropriation and shall credit the account with the appropriation and charge the account with all warrants issued under the authority of the appropriation.  Each account must show the law authorizing the appropriation.

(b) The comptroller shall credit the total of all appropriations to a control account.  The comptroller shall charge the total of warrants issued to this account so that the balance represents the amount of unused appropriations. The comptroller shall balance the individual appropriation accounts against the control account.

(c) The head of each state agency or institution shall keep accounts of the appropriations as they apply to the agency or institution and shall balance the accounts against the similar accounts kept by the comptroller.