http://www.bankersonline.com/regs/12-1026/12-1026-032.html The requirements of this section apply to a high-cost mortgage, which is any consumer credit transaction that is secured by the consumer's principal dwelling, other than as provided in paragraph (a)(2) of this section, and in which:
(i) The annual percentage rate applicable to the transaction, as determined in accordance with paragraph (a)(3) of this section, will exceed the average prime offer rate, as defined in ยง 1026.35(a)(2), for a comparable transaction by more than:
(A) 6.5 percentage points for a first-lien transaction, other than as described in paragraph (a)(1)(i)(B) of this section;
(B) 8.5 percentage points for a first-lien transaction if the dwelling is personal property and the loan amount is less than $50,000; or
(C) 8.5 percentage points for a subordinate-lien transaction