Commentary on Sections Part 4: Standards of Housing Chapter 1: Overcrowding Section 46: Requirement as to overcrowding generally
The requirement under section 46 requires that the terms of the notice must not be breached by allowing an unsuitable room to be occupied as sleeping accommodation and that the room standard must not be contravened.  A notice including this requirement can have the effect of requiring the owner to reduce the occupancy of the house immediately – for example, by terminating a tenancy.