Conn. Gen. Stat. § 12-411b

(b) The following provisions shall apply to and be made part of any agreement entered into pursuant to subsection (a) of this section:

(1) The contractor and its affiliates are not liable for use tax not paid to them by a customer;

(2) A customer's payment of a use tax to the contractor or its affiliates relieves the customer of liability for the use tax;

(3) The contractor and its affiliates shall remit all use taxes they collect from customers on or before the due date specified in the agreement, which may not be later than the last day of the month next succeeding the end of a calendar quarter or other tax collection period during which the tax was collected; and

(4) Any contractor or affiliate who fails to remit use taxes collected on behalf of its customers by the due date specified in the agreement shall be subject to the interest and penalties provided for persons required to collect sales tax under this chapter.

(c) Any agreement entered into under subsection (a) of this section may provide that the contractor and its affiliates shall collect the use tax only on items that are subject to the six and thirty-five-hundredths per cent rate of tax.

(d) For purposes of this section, “affiliate” means any person, as defined in section 12-1 , that controls, is controlled by, or is under common control with another person. A person controls another person if the person owns, directly or indirectly, more than ten per cent of the voting securities of the other person. For purposes of this subsection, “voting security” means a security that confers upon the holder the right to vote for the election of members of the board of directors or similar governing body of the business, or that is convertible into, or entitles the holder to receive, upon its exercise, a security that confers such a right to vote. “Voting security” includes a general partnership interest.