Conn. Gen. Stat. § 53-316
Each commission merchant, copartnership, association, corporation, person or broker engaged in the business of buying or selling or buying and selling stocks, grain, provisions or other commodities or personal property for any person, principal, customer or purchaser shall furnish, upon demand, to any customer or principal for whom such commission merchant, broker, copartnership, corporation, association or person has executed any order for the actual purchase or sale of the commodities hereinbefore mentioned, either for immediate or future delivery, a written statement containing the names of the parties from whom such property was bought or to whom it was sold, as the case may be, the time when, the place where and the price at which the same was either bought or sold; and the refusal of any such commission merchant, broker, copartnership, corporation or association to promptly furnish such statement, upon reasonable demand, shall be prima facie evidence that such property was sold or bought in violation of the provisions of section 53-314.
Conn. Gen. Stat. § 53-316
(1949 Rev., S. 8617.)