(b) ExceptionsThe prohibition under subsection (a) shall not apply to—(1) an increase in an annual percentage rate upon the expiration of a specified period of time, provided that—(A) prior to commencement of that period, the creditor disclosed to the consumer, in a clear and conspicuous manner, the length of the period and the annual percentage rate that would apply after expiration of the period;
(B) the increased annual percentage rate does not exceed the rate disclosed pursuant to subparagraph (A); and
(C) the increased annual percentage rate is not applied to transactions that occurred prior to commencement of the period;
(2) an increase in a variable annual percentage rate in accordance with a credit card agreement that provides for changes in the rate according to operation of an index that is not under the control of the creditor and is available to the general public;
(3) an increase due to the completion of a workout or temporary hardship arrangement by the obligor or the failure of the obligor to comply with the terms of a workout or temporary hardship arrangement, provided that—(A) the annual percentage rate, fee, or finance charge applicable to a category of transactions following any such increase does not exceed the rate, fee, or finance charge that applied to that category of transactions prior to commencement of the arrangement; and
(B) the creditor has provided the obligor, prior to the commencement of such arrangement, with clear and conspicuous disclosure of the terms of the arrangement (including any increases due to such completion or failure); or
(4) an increase due solely to the fact that a minimum payment by the obligor has not been received by the creditor within 60 days after the due date for such payment, provided that the creditor shall—(A) include, together with the notice of such increase required under section 1637(i) of this title, a clear and conspicuous written statement of the reason for the increase and that the increase will terminate not later than 6 months after the date on which it is imposed, if the creditor receives the required minimum payments on time from the obligor during that period; and
(B) terminate such increase not later than 6 months after the date on which it is imposed, if the creditor receives the required minimum payments on time during that period.
(Pub. L. 90–321, title I, § 171, as added Pub. L. 111–24, title I, § 101(b)(2), May 22, 2009, 123 Stat. 1736.)