155.This section sets out the times at which a landlord or agent must undertake repeat checks of those persons with a limited right to rent if they are to rely on the excuses provided for in sections 24 or 26. A landlord letting to someone who has limited leave in the UK should check that they have not become disqualified from renting either before their leave is due to expire, or one year after the tenancy begins, whichever is the longer period. To take some practical examples, if a landlord grants an agreement allowing use of a room to a visitor who has six months’ leave to remain in July 2015, the landlord will not need to undertake a repeat status check until July 2016 to maintain a statutory excuse against a penalty. If, at the same time, the landlord rents a property to a student with four years’ leave, he need not undertake a repeat status check until July 2019. Where the occupant has indefinite leave to remain, the landlord will not need to undertake a repeat check; while their biometric residence permit may need to be renewed within a period of 10 years, the landlord can rely on the fact that the leave they have been granted is indefinite and no further check is required.