Tenant’s Obligations
Tenants are responsible for:
ordinary cleanliness of the unit, except to the extent the tenancy agreement requires the landlord to clean it
repair of undue damage caused by willful or negligent conduct by the tenant or person permitted in the residential complex
the tenant shall not alter locks
board may order that the tenant give a set of keys to the landlord
the tenant shall not harass, obstruct, coerce, threaten or interfere with a landlord
Ontario Residential Tenancy Act s. 33-35