(1) That the defendant was not competent, for reasons other than lack of penal responsibility, to make the false statement alleged; or

(2) That the statement was inadmissible under the law of evidence; or

(3) That the oath was administered or taken in an irregular manner; or

(4) That the person administering the oath lacked authority to do so, if the taking of the oath was required or authorized by law. [L 1972, c 9, pt of §1]