499. To whom right of re-entry may be reserved.

At common law, a right of re-entry may be reserved only in favour of the person in whom the legal estate is vested, either actually or by estoppel1. However, all rights of entry affecting a legal estate which are exercisable on condition broken or for any other reason may, on and after 1 January 1926, be made exercisable by any person and the persons deriving title under him2. To support a condition of re-entry, it is not essential that there should be a reversion; a tenant who sublets for the whole residue of his term may reserve a right