W.Va. R. Crim. P. 26.1
As amended through January 31, 2024
A party who intends to raise an issue concerning the law of a foreign country shall give reasonable written notice. The court, in determining foreign law, may consider any relevant material or source, including testimony, whether or not submitted by a party or admissible under the West Virginia Rules of Evidence. The court's determination shall be treated as a ruling on a question of law.
W.Va. R. Crim. P. 26.1