New York Codes, Rules and Regulations
Title 12 - DEPARTMENT OF LABOR
Chapter XII - Division Of Employment And Training
Part 921 - New York State Worker Adjustment And Retraining Notification (warn) Requirements
Subpart 921-3 - Extension, Postponement, Or Rescission Of Employment Loss
Section 921-3.2 - Postponement of a plant closing, mass layoff, relocation, or covered reduction in hours

(a) If, after notice has been given, an employer decides to postpone a plant closing, mass layoff, relocation, or covered reduction in work hours for less than 90 days, notice of postponement shall be given as soon as possible after the decision to postpone. The notice of postponement shall include reference to the earlier notice, the date (as set forth in section 921-2.3[a][6] of this Part) to which the planned action is being postponed, and the reasons for the postponement and shall otherwise meet all the requirements of the original notice as to form, delivery, and parties entitled to notice.

(b) If the postponement is for 90 days or more, a new notice which otherwise complies with all the requirements of the act and this Part shall be provided.