N.Y. Comp. Codes R. & Regs. tit. 9, § 135.5
(a) Total hours worked shall include all the time worked by an officer or employee when required to be on duty or at a prescribed workplace and shall exclude all absences from duty and all time allowed for meals. For purposes of computing total hours worked in a week, time during which an officer or employee is excused from work because of holidays, sick leave at full pay, vacation, personal leave, compensatory time off or other leave at full pay shall be considered as time worked by the officer or employee. An eligible member of the security services unit authorized and scheduled to assemble for briefing prior to his tour of duty shall be considered to be on duty during time spent in each such briefing in excess of 10 minutes. Compensatory time off granted in the same workweek in which it is earned, except compensatory time off granted in lieu of a holiday worked in such workweek, does not add to the total hours worked and is not to be construed as time worked by an officer or employee.
(b)
(e) Exchanging hours of work may be authorized as indicated in this subdivision.
(3) Requests by eligible employees, pursuant to paragraph (1) of this subdivision, shall be made in writing on a form prescribed by the appointing authority and approved by the Director of the Budget, and submitted for approval to the appointing authority, or his designated representative, for each specific period of duty to be exchanged. In addition to such information as may be required by the appointing authority, such form shall include statements that: