W. Va. Code § 51-1A-3: Power to answer.

The Supreme Court of Appeals of West Virginia may answer a question of law certified to it by any court of the United States or by the highest appellate court or the intermediate appellate court of another state or of a tribe or of Canada, a Canadian province or territory, Mexico or a Mexican state, if the answer may be determinative of an issue in a pending cause in the certifying court and if there is no controlling appellate decision, Constitutional provision or statute of this state.