California Civil Code
(a) This section applies to transactions, other than consumer credit contracts as defined in Section 1799.90, which are subject to 16 C.F.R. 444.3, 12 C.F.R. 227.14, or 12 C.F.R. 535.3, whichever is applicable to the creditor.
(b) Unless the persons who are obligated under the transaction are married to each other, no action shall be brought, nor shall any security interest be enforced, against any person entitled to receive notice under 16 C.F.R. 444.3, 12 C.F. R. 227.14, or 12 C.F.R. 535.3, whichever is applicable to the creditor, if that person did not receive the notice in the manner prescribed by the applicable regulation and an accurate Spanish translation of the notice.