IRC 125 benefit plan amounts are reported to you in box 14 of your Wage and Tax Statement (Form W-2).
If you participate in a New York City flexible benefits program, IRC 125, you must report the amount deducted or deferred from your salary as an addition modification to federal AGI on line 23 of Form IT-201, Resident Income Tax Return; or line 22 of Form IT-203, Nonresident and Part-Year Resident Income Tax Return.