In this Division:
"landlord" means the party to a business lease who makes premises available for occupation by a tenant or who, being an owner of business premises, permits a person to occupy those premises in exchange for rent.
"tenant" includes a person in possession of business premises under an assignment of a lease or a sublease where the assignment or the grant of a sublease has been made or given without the consent of the landlord and that consent was required under the terms of the lease whether expressed or implied.