That tracks: https://www.nycourts.gov/mysummons-nyc/Summons.pdf

>I personally observed the commission of the offense charged herein. False statements made herein are punishable as a Class A Misdemeanor pursuant to section 210.45 of the Penal Law. Affirmed under penalty of law.

So if the officer attested to that falsely he/she would be committing a misdemeanor.

I've edited my original comment to reflect the above.