W. Va. Code § 57-5-6: Commitment to jail of person attending but refusing to testify or produce writing.

If a person, after being served with such summons, shall attend and yet refuse to be sworn, or to give evidence, or to produce any writing or document required, he may by order of the court whose clerk issued said summons, or of the person before whom he was summoned to attend, be committed to jail, there to remain until he shall, in custody of the jailer, give such evidence or produce such writing or document.