Tex. Gov't Code § 2251.025
(b) The rate of interest that accrues on an overdue payment is the rate in effect on September 1 of the fiscal year in which the payment becomes overdue. The rate in effect on September 1 is equal to the sum of:
(d) This subsection applies only if the comptroller is not responsible for issuing a warrant or initiating an electronic funds transfer to pay the principal amount owed by a state agency to a vendor. The accrual of interest on an overdue payment to the vendor:
(e) This subsection applies only if the comptroller is responsible for issuing a warrant or initiating an electronic funds transfer to pay the principal amount owed by a state agency to a vendor. Interest on an overdue payment to the vendor:
Added by Acts 1993, 73rd Leg., ch. 268, Sec. 1, eff. Sept. 1, 1993.
Amended by Acts 2001, 77th Leg., ch. 1158, Sec. 64, 65, 66, 67(a), eff. June 15, 2001;
Acts 2003, 78th Leg., ch. 1310, Sec. 61, eff. July 1, 2004.