Tex. Fin. Code § 343.202

A high-cost home loan may not contain a provision for a scheduled payment that is more than twice as large as the average of earlier scheduled monthly payments, unless the balloon payment becomes due not less than 60 months after the date of the loan. This prohibition does not apply if the payment schedule is adjusted to account for the seasonal or otherwise irregular income of the borrower or if the loan is a bridge loan in connection with the acquisition or construction of a dwelling intended to become the borrower's principal dwelling.