126. Conditions or provisos.

The terms 'condition' and 'proviso' are now virtually synonymous. Strictly speaking, a condition in a lease is a quality annexed to an estate, by virtue of which it may be defeated, enlarged or created upon an uncertain event1. In more modern usage, it is a stipulation upon the breach of which, or a stipulation that upon the happening of a particular event, the term of the lease may be determined before the appointed period2. A condition may be express or implied. The words 'provided always' or 'upon condition' are suitable for introducing an express condition, but no precise form