N.Y.C. Admin. Code § 3-127: § 3-127 Map of areas most vulnerable to flooding; mitigation plan.

a. In 2020 and no later than April 22, 2023 and no later than every four years after April 22, 2023, an office or agency designated by the mayor, with the cooperation of all relevant agencies, shall develop and make publicly available on its website:

1. A map of areas in the city most vulnerable to increased flooding due to the anticipated effects of climate change, including but not limited to increased precipitation, coastal storms and sea level rise; and

2. A long-term plan for preventing or mitigating such increased flooding, and the effects thereof, in such areas.

b. Such office shall seek the cooperation of relevant federal and state agencies and other public or private persons as such office deems appropriate in developing such map and plan.

(L.L. 2018/172, 10/27/2018, eff. 10/27/2018)