1. When the sheriff is a party.
2. When there is a vacancy in the office of sheriff.
3. When it shall be made to appear by affidavit to the satisfaction of the court in which the suit or proceeding is pending, or the judge thereof, that the sheriff, by reason of any bias, prejudice or other cause, would not act promptly or impartially. The court or judge may require such person so appointed to give a bond with sufficient security, in such amount and with such condition, to the person to be served, as the court or judge may deem necessary to secure the rights of the party.
[1911 CPA § 553; RL § 5495; NCL § 9042]