In the case of extensions of credit under an open end consumer credit plan which are subject to a variable rate and are secured by a consumer’s principal dwelling, the index or other rate of interest to which changes in the annual percentage rate are related shall be based on an index or rate of interest which is publicly available and is not under the control of the creditor.
No open end consumer credit plan under which extensions of credit are secured by a consumer’s principal dwelling may contain a provision which permits a creditor to change unilaterally any term required to be disclosed under section 1637a(a) of this title or any other term, except a change in insignificant terms such as the address of the creditor for billing purposes.
Upon the request of the consumer and at the time an agreement is entered into by a consumer to open an account under an open end consumer credit plan under which extensions of credit are secured by the consumer’s principal dwelling, the consumer shall be given a list of the categories of contract obligations which are deemed by the creditor to be material obligations of the consumer under the agreement for purposes of paragraph (2)(D).
For purposes of paragraph (2)(F), a change shall be deemed to benefit the consumer if the change is unequivocally beneficial to the borrower and the change is beneficial through the entire term of the agreement.
If any term or condition described in section 1637a(a) of this title which is disclosed to a consumer in connection with an application to open an account under an open end consumer credit plan described in such section (other than a variable feature of the plan) changes before the account is opened, and if, as a result of such change, the consumer elects not to enter into the plan agreement, the creditor shall refund all fees paid by the consumer in connection with such application.
No nonrefundable fee may be imposed by a creditor or any other person in connection with any application by a consumer to establish an account under any open end consumer credit plan which provides for extensions of credit which are secured by a consumer’s principal dwelling before the end of the 3-day period beginning on the date such consumer receives the disclosure required under section 1637a(a) of this title and the pamphlet required under section 1637a(e) of this title with respect to such application.
For purposes of determining when a nonrefundable fee may be imposed in accordance with this subsection if the disclosures and pamphlet referred to in paragraph (1) are mailed to the consumer, the date of the receipt of the disclosures by such consumer shall be deemed to be 3 business days after the date of mailing by the creditor.