§ 579. Doing business without license prohibited. Only a charitable corporation as defined in paragraph (a) of section one hundred two (Definitions) of the not-for-profit corporation law of this state, or an entity incorporated in another state and having a similar not-for-profit status, shall engage in the business of budget planning as defined in subdivision one of § 455 of the general business law of this state except as authorized by this article and without first obtaining a license from the superintendent.