Licensed Real Estate Associate Broker
681 Lexington Avenue
New York, NY 10022
Phone 212-688-8530 x223 Cell 917-991-2528 Fax 212-758-7495
You are entitled to proper notice. I googled NY Landlord Tenant Act and have a attached a link to one site below. If this is correct, you are to be given 30 days notice, not 3 weeks. Read it over, search other sites and start looking for your next place.