The 2016 New York City Energy Conservation Code (NYCECC) will go into effect on October 3, 2016. Adopted as Local Law 91 of 2016, the NYCECC is based on, and a modification of, the 2016 New York State Energy Conservation Construction Code (NYSECCC), which will also be implemented on October 3. Legislation is currently pending with New York City Council to amend the 2016 NYCECC based on recent changes made by the state supplement.