If the party contesting the proof of any conveyance or instrument shall make it appear that any such proof was taken upon the oath of an incompetent witness, neither such conveyance or instrument, nor the record thereof, shall be received in evidence, until established by other competent proof.
[32:9:1861; B § 260; BH § 2601; C § 2671; RL § 1046; NCL § 1504]