207. How tenancy is determined.

A tenancy from year to year is determinable by notice to quit1, and the parties may enter into special stipulations both as to the length of the notice and the time when the tenancy may be determined under it2. In the absence of special stipulation, or of special custom3 or statute4, a yearly tenancy may be determined by a half-year's notice, expiring at the end of some year of the tenancy5. Where there is a term specifying the length of notice required, then, in the absence of any provision to the contrary, that notice must be given so as