439. Agreement to assign must be in writing.

The sale of leasehold premises is, in general, governed by the same principles as the sale of freehold property1. Thus, the agreement must satisfy the statutory provisions relating to contracts for the sale or other dispositions of land2. This rule applies whenever there is in effect an agreement for the transfer of the premises for the residue of the term (where, for example, the tenant agrees to give possession to another who is to be tenant for the residue of the term