Conn. Gen. Stat. § 52-163a: Determination of the law of jurisdictions outside this state.

(a) In determining the law of any jurisdiction or governmental unit thereof outside this state, the court may consider any relevant material or source, including testimony, whether or not submitted by a party or admissible under the rules of evidence.

(b) The court, not the jury, shall determine the law of any jurisdiction or governmental unit thereof outside this state. Its determination is subject to review on appeal as a ruling on a question of law.