Idaho Code § 67-410

Any witness neglecting or refusing to attend in obedience to a subpoena issued under sections 67-407 through 67-410, Idaho Code, may at the written direction of the president or president pro tempore of the senate or the speaker of the house of representatives be arrested by the sergeant-at-arms, a sheriff or such other person designated in writing and brought before the senate or house. The only warrant of authority necessary to authorize such arrest is a copy of a resolution of the senate or house citing the person for contempt, signed by the presiding officer, and countersigned by the clerk, and the written authorization for arrest signed by the arresting officer.