Texas Education Code - EDUC § 54.057. Liability for Unpaid Nonresident Tuition

(a) The following persons are liable for the difference between resident and nonresident tuition for each academic term in which the person pays resident tuition as the result of an erroneous classification under this subchapter:

(b) The person shall pay the applicable amount to the institution not later than the 30th day after the date the person is notified of the person's liability for the amount owed.  After receiving the notice and until the amount is paid in full, the person is not entitled to receive from the institution a certificate or diploma, if not yet awarded on the date of the notice, or official transcript that is based at least partially on or includes credit for courses taken while the person was erroneously classified as a resident of this state.

(c) A person who is erroneously classified as a resident of this state under this subchapter but who is entitled or permitted to pay resident tuition under this subchapter is not liable for the difference between resident and nonresident tuition under this section.