CPLR § 2104

Stipulations

Rule 2104. Stipulations. An agreement between parties or their attorneys relating to any matter in an action, other than one made between counsel in open court, is not binding upon a party unless it is in a writing subscribed by him or his attorney or reduced to the form of an order and entered. With respect to stipulations of settlement and notwithstanding the form of the stipulation of settlement, the terms of such stipulation shall be filed by the defendant with the county clerk.

Official sourcehttps://www.nysenate.gov/legislation/laws/CVP/2104

In plain English

An agreement between parties/attorneys about a matter in an action is not binding unless (1) made between counsel in open court, (2) in a writing subscribed by the party or attorney, or (3) reduced to an order and entered. ★
For stipulations of settlement, the terms must be filed by the defendant with the county clerk.

Marked in the text: penalties, time limits, sums of money. Editorial emphasis added by this edition; it does not appear in the statute as enacted.

In print

This provision appears in Volume 2 — The JG-22 CPLR and in Volume 1 — The JG-22 in Plain English.