In this Part of this Act, except where the context otherwise requires—

• F1“appropriate tribunal” means—

  1. a

     in relation to a dwelling in England, the First-tier Tribunal or, where determined by or under Tribunal Procedure Rules, the Upper Tribunal; and

  2. b

     in relation to a dwelling in Wales, a rent assessment committee;

• “dwelling” means a house or part of a house;

• “lessee” means the person to whom is granted, under a restricted contract, the right to occupy the dwelling in question as a residence and any person directly or indirectly deriving title from the grantee; and

• “lessor” means the person who, under a restricted contract, grants to another the right to occupy the dwelling in question as a residence and any person directly or indirectly deriving title from the grantor.

References in this Part of this Act to a party to a contract include references to any person directly or indirectly deriving title from such a party.