1262. Effect of statement that tenancy has been extended.

Where an instrument extending a tenancy1 at a low rent2, or granting a further tenancy at a low rent in substitution for or in continuance of such a tenancy, contains a statement to the effect that the tenancy is being or has been previously extended3, the statement is conclusive4 in favour of any person not being a party to the instrument, unless the statement appears from the instrument to be untrue