If a person shall be guilty of willful and corrupt false swearing or affirming, or by any means shall willfully and corruptly suborn or procure a person to swear or affirm falsely, in taking any oath, affirmation or deposition prescribed or authorized by this title, he shall be deemed guilty of a crime of the third degree, and be deemed to be an incompetent witness thereafter for any purpose within this State, until such time as he shall have been pardoned.
N.J.S. § 19:34-26