Conn. Gen. Stat. § 42-288: Applicability. Unfair trade practice. Rebuttable presumption.

(a) For the purposes of sections 42-284 to 42-287, inclusive, any transaction which occurs between a telemarketer and a consumer shall be considered to have taken place in this state if (1) the telemarketer is (A) a resident of this state, or (B) a business entity that is registered, or required by law to be registered, with the Secretary of the State to do business in this state, (2) the consumer is a resident consumer, or (3) the telemarketer contacted the consumer using a telephone number with a Connecticut area code.

(b) Violation of any provision of sections 42-284 to 42-287, inclusive, shall be an unfair or deceptive act or practice in violation of subsection (a) of section 42-110b.

(c) There shall be a rebuttable presumption that a telephonic sales call made to a resident consumer or to a telephone number with a Connecticut area code has taken place in this state.