Texas Finance Code - FIN § 345.112. Agreement Balance Statement

(a) At the end of each statement period of a retail charge agreement in which an unpaid balance exists, the retail seller shall provide to the retail buyer a statement of the unpaid balance.

(b) The statement must set out that the retail buyer at any time may pay all or any part of the unpaid balance.

(c) In this section, “statement period” means a monthly period, which is not required to be a calendar month.  The term may include a regular period, other than a monthly period, to which the retail charge agreement parties agree in writing.