Conn. Gen. Stat. § 36a-661a: Written agreement voidable. Licensee claims for restitution.

(a) If a debt adjuster licensee imposes a fee or other charge or receives money or other payments not specified in the written agreement with the debtor, the debtor may void the agreement and recover any fees paid.

(b) If any person is not licensed as required by section 36a-656, the written agreement is voidable by the debtor.

(c) If a debtor voids a written agreement under this section, the licensee shall not have a claim against the debtor for breach of contract or for restitution.