All manner of public selling or offering for sale of any property upon Sunday is prohibited, except as follows:
The provisions of this section, however, shall not be construed to allow or permit the public sale or exposing for sale or delivery of uncooked flesh foods or meats, fresh or salt, at any hour or time of the day. Delicatessen dealers shall not be considered as caterers within subdivision three hereof.
N.Y. Gen. Bus. Law § 9