It is a deceptive practice in the sale or offering for sale of consumer goods or services for a person (including any business entity) having a store, place of business for sales or mailing address for sales in the City of New York, or otherwise selling in the City of New York to advertise or represent in connection with sales made in the City of New York or offerings for sales to be made in the City of New York that such goods or services are being or will be offered or sold to New York City consumers at a reduction, discount, or savings in a manner in violation of this part.