In nearly all cases, written notice is required for a landlord or a tenant to terminate a tenancy, even monthtomonth oral tenancies. Give the tenant at least 30 days notice to leave.The last day in the notice must be the last day of a rental period. A termination that is unfair is not necessarily illegal. In most circumstances, employers can terminate employees "at will," meaning at any time for any reason. In Montgomery County,Maryland,eviction notices for nonpayment of rent require 30 days notice, not 10. Employer will allow for 30 days' notice of termination without cause; however such notice can be lengthened or shortened in Employer's sole discretion. Allison knew she had to give her landlord 30 days' notice before moving out. Q "I signed a lease in the morning. That afternoon, I asked that the lease be canceled.