(a) An annual percentage rate disclosed pursuant to these rules shall be considered accurate if:

(b) A provider and financer shall have no liability under this subchapter for any inadvertent error in a disclosure to a recipient that does not comply with this subchapter, if within sixty days after discovering the error through the provider's or financer's own procedures, and prior to the institution of an action against the provider or financer for such error, the financer or its assignee notifies the recipient of the error and makes whatever adjustments in the appropriate account are necessary to assure that the recipient will not be required to pay an amount in excess of the finance charge actually disclosed, or the dollar equivalent of the annual percentage rate actually disclosed, whichever is lower.

(c) A provider or financer shall have no liability for inadvertently disclosing a finance charge, annual percentage rate, periodic payment or irregular payment, average monthly cost, maximum non-interest finance charge, or prepayment fee or charge that exceeds the amount that the provider is required to disclose under this subchapter.