Section 40-19-120 - Merchant's defense(a) If a merchant establishes by a preponderance of the evidence that a violation of this act was unintentional, no penalty as specified in W.S. 40-19-118 shall be imposed and validity of the transaction shall not be affected.(b) A merchant shall not be liable under this act for any failure to comply with any requirement imposed under this act if within sixty (60) days after the merchant discovers an error, and prior to the institution of an action under this act or the receipt of written notice of the error from the consumer, the merchant notifies the consumer of the error and within seven (7) days, makes adjustments in the appropriate account necessary to correct the error.