2021 New York Laws
PEN - Penal
Part 3 - Specific Offenses
Title M - Offenses Against Public Health and Morals
Article 222 - Cannabis
222.10 - Restrictions on Cannabis Use.

§ 222.10 Restrictions on cannabis use.
Unless otherwise authorized by law or regulation, no person shall:
1.  smoke  or  vape  cannabis  in  a  location where smoking or vaping
  cannabis is prohibited pursuant to  article  thirteen-E  of  the  public
  health law; or
2.  smoke, vape or ingest cannabis or concentrated cannabis in or upon
  the grounds of a school, as defined in subdivision ten of section eleven
  hundred twenty-five of the education law or in or on a  school  bus,  as
  defined in section one hundred forty-two of the vehicle and traffic law;
  provided,  however,  provisions  of  this subdivision shall not apply to
  acts that are in compliance with article three of the cannabis law.
Notwithstanding any other section of law, violations  of  restrictions
  on cannabis use are subject to a civil penalty not exceeding twenty-five
  dollars or an amount of community service not exceeding twenty hours.