In point of law and of fact, once there is an incident of statutory tenancy, the tenant becomes a weekly, monthly or yearly tenant, depending upon the term of the original grant. As it is so, his tenancy can only be lawfully terminated in accordance with the manner and length of term of the original grant between the landlord and the tenant.
– Nnaemeka-Agu, JSC. Petroleum v. Owodunni (1991)