1. A landlord’s written notice demanding that a tenant surrender and vacate the leased property, thereby terminating the tenancy. [Cases: Landlord and Tenant 94(1), 283. C.J.S. Landlord and Tenant §§ 733, 736.]
2. A landlord’s notice to a tenant to pay any back rent within a specified period (often seven days) or else vacate the leased premises. — Also termed notice to pay rent or quit.