Texas Education Code - EDUC § 43.014. Duties of Comptroller

(a) On or before July 1 of each year, the comptroller shall estimate the amount of the available school fund receivable from every source during the following school year and report the estimate to the State Board of Education.

(b) On or before the meeting of each regular session of the legislature, the comptroller shall report to the legislature an estimate of the amount of the available school fund that is to be received for the following two years, and the sources from which that amount accrues, and that is subject to appropriation for the establishment and support of public schools.

(c) On or before the first working day of each month, the comptroller shall certify to the commissioner the total amount of money collected from every source during the preceding month and on hand to the credit of the available school fund.

(d) On receipt of certificates issued to the comptroller by the commissioner, the comptroller shall draw warrants in favor of the treasurer of the available school fund of each school district for the amounts stated in the certificates.  All such warrants shall be registered.