Conn. Gen. Stat. § 42-286: Prohibited actions before receipt of signed contract.

(a) A telemarketer shall not accept payment in any form from a consumer, or make or submit any charge to the consumer's credit card, charge card, debit card or electronic payment platform account, unless the telemarketer has received from the consumer a contract, signed by the consumer, which complies with section 42-285.

(b) In the event that the consumer sends payment to the telemarketer, or the telemarketer makes or submits a charge to the consumer's account, including, but not limited to, a credit card, charge card, debit card or electronic payment platform account, and the telemarketer has not received a signed contract from the consumer which complies with section 42-285, the telemarketer shall immediately and fully refund the consumer's payment or immediately and fully credit the consumer's account.