Section 4
SEC. 4. No challenge as to the competency of any of the officials named in this Act shall be received or allowed. But if it be claimed that the official is disqualified by the provisions of section three, the party objecting to his competency may, in writing, file with the official his objection, stating the grounds thereof, and the official shall thereupon proceed with the trial, or withdraw therefrom, in accordance with his determination of the question of his disqualification His decision shall be forthwith made in writing and filed with the other papers in the ease. But no appeal or stay of action shall be allowed from, or by reason of his decision in favor of his own competency until after final judgment in his court.