RSA 641:2 False Swearing.

A person is guilty of a misdemeanor if:
I. He makes a false statement under oath or affirmation or swears or affirms the truth of such a statement previously made and he does not believe the statement to be true if:
(a) The falsification occurs in an official proceeding, as defined in RSA 641:1, II, or is made with a purpose to mislead a public servant in performing his official function; or
(b) The statement is one which is required by law to be sworn or affirmed before a notary or other person authorized to administer oaths; or
II. He makes inconsistent statements under oath or affirmation, both within the period of limitations, one of which is false and not believed by him to be true. In a prosecution under this section, it need not be alleged or proved wh