N.Y.C. Admin. Code § 19-163.1: § 19-163.1 Suspension of parking rules during snowfalls.

All alternate side of the street parking rules shall be suspended during any snowfall that causes the department of sanitation to suspend its street sweeping operations, provided that the department may reinstate alternate side of the street parking rules after twenty-four hours if it determines, after consulting with the department of sanitation, that alternate side of the street parking is necessary to immediately commence curbside snow removal.