(a) Except as provided by Subsection (b), an action under this chapter must be brought before the later of:
(1) the fourth anniversary of the date of the loan or retail installment transaction with respect to which the violation occurred; or
(2) the second anniversary of the date on which the violation occurred.
(b) An action under this chapter with respect to an open-end credit transaction must be brought before the second anniversary of the date on which the violation occurred.