Tex. Educ. Code § 45.2541
(a) Money appropriated for the Foundation School Program that may be used for the purpose under this subchapter and under any other law, rule, or regulation shall be used to provide credit enhancement for eligible bonds as provided by this subchapter, the General Appropriations Act, and board rule if using the permanent school fund to guarantee particular bonds would result in:
(1) a total amount of outstanding bonds guaranteed by the permanent school fund exceeding the amount authorized under:
Added by Acts 2009, 81st Leg., R.S., Ch. 1328 (H.B. 3646), Sec. 75, eff. September 1, 2009.