Tenant Support Services is closed to all personalized services. To learn more about the City of Edmonton`s service changes to edmonton.ca/ServiceChanges. It is a major offence when a tenant fails to meet any of their obligations under the ATR or when a tenant commits a number of residential tenancy agreement violations and the cumulative effect is significant. A lease cannot deprive the tenant of any of the right-wing rights defined in the Residential Tenancies Act (RTA). If tenants and landlords are unable to agree on a dispute, one of them can contact an information officer at the Consumer Contact Centre. If a tenant commits a substantial breach of the rental agreement, the lessor may ask the RTDRS or the court to terminate the tenancy or to give the tenant at least 14 days` notice in advance to end the tenancy. .