In this Chapter, unless otherwise expressly provided—

• “co-operative housing association” has the meaning given in section 300(1)(b) of the 1987 Act,

• “court” means the sheriff court for the district in which is situated the house to which the tenancy in question relates, and “proceedings” means proceedings in that court,

• “landlord” means a person who lets a house to a tenant for human habitation, and includes any person from time to time deriving title under the original landlord,

• “notice” means notice in writing,

• “tenancy” means an agreement under which a house is made available for human habitation, and “lease” and related expressions are to be construed accordingly,

• “tenant” means a person who leases a house from a landlord and whose right in the house derives directly from the landlord, and in the case of a joint tenancy means all the tenants.