W.Va. R. Civ. P. 44.1
As amended through January 31, 2024
A party who intends to raise an issue about a foreign country's law must give notice by a pleading or other writing. In determining foreign law, the court 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. Civ. P. 44.1