(a) "Credit card" means any card issued pursuant to an agreement which allows the holder of the card to obtain goods and services on the credit of the issuer; and
(b) "Issuer" means any bank, trust company, savings bank, savings and loan association, or branch of a foreign banking corporation the deposits of which are insured by the federal deposit insurance corporation, which is incorporated, chartered, organized or licensed under the laws of this state or any other state or the United States, which issues credit cards to natural persons residing in this state. 4. The authority of the superintendent of financial services pursuant to sections thirty-nine and forty-four of the banking law shall extend to violations of this section by any issuer.