New York Consolidated Laws, Penal Law - PEN § 210.00 Perjury and related offenses;  definitions of terms

1. “Oath” includes an affirmation and every other mode authorized by law of attesting to the truth of that which is stated.

2. “Swear” means to state under oath.

3. “Testimony” means an oral statement made under oath in a proceeding before any court, body, agency, public servant or other person authorized by law to conduct such proceeding and to administer the oath or cause it to be administered.

4. “Oath required by law.”  An affidavit, deposition or other subscribed written instrument is one for which an “oath is required by law” when, absent   1 an oath or swearing thereto, it does not or would not, according to statute or appropriate regulatory provisions, have legal efficacy in a court of law or before any public or governmental body, agency or public servant to whom it is or might be submitted.

5. “Swear falsely.”  A person “swears falsely” when he intentionally makes a false statement which he does not believe to be true (a) while giving testimony, or (b) under oath in a subscribed written instrument.  A false swearing in a subscribed written instrument shall not be deemed complete until the instrument is delivered by its subscriber, or by someone acting in his behalf, to another person with intent that it be uttered or published as true.

6. “Attesting officer” means any notary public or other person authorized by law to administer oaths in connection with affidavits, depositions and other subscribed written instruments, and to certify that the subscriber of such an instrument has appeared before him and has sworn to the truth of the contents thereof.

7. “Jurat” means a clause wherein an attesting officer certifies, among other matters, that the subscriber has appeared before him and sworn to the truth of the contents thereof.