Determination may require sub-tenancy to be quitted in certain cases.
(a) the determination of an adjudicator or the Tribunal includes a direction that a dwelling, the subject of a tenancy, be quitted by a specified date,
(b) that tenancy is one out of which a sub-tenancy has been created, and
(c) the landlord, when he or she served a notice of termination on the tenant in respect of that tenancy, required the tenant to terminate that sub-tenancy,
then the determination may include a direction requiring the subtenant to quit the dwelling by a specified date.