This is what I have in my notes, hope it helps.
Regulation Z 1026.15 – In a credit transaction in which a security interest is or will be retained or acquired in the consumer’s principal dwelling, each consumer whose ownership interest is or will be subject to the security interest shall have the right to rescind the transaction.
Truth in Lending Act (Law) 12 CFR 226.23 – In the case of any consumer credit transaction in which a security interest is or will be retained or acquired in any property which is used as a principal dwelling of the person to whom credit is extended, the obligor shall have the right to rescind the transaction.