Every attachment for the arrest, or order of commitment to prison of a witness by a court or officer, pursuant to this article,¹ must be under the seal of the court or officer, if he have an official seal, and must specify, particularly, the cause of arrest or commitment; and if the commitment be for refusing to answer a question, such question must be stated in the order. Such order of commitment may be directed to the sheriff, coroner or any constable of the county where such witness resides, or may be at the time, and shall be executed by committing him to the jail of such county, and delivering a copy of the order to the jailor.