Brings into force s179 and ss191-194 of the Housing Act 2004 in England on 6th June 2005, which amend the Housing Act 1985. These relate to secure tenancies: the extension of an introductory tenancy by up to six months, landlords' rights in respect of withholding consent to mutual exchange, the suspension of the right to buy on the grounds of anti-social behaviour, the prevention of tenants completing a right to buy sale if an application is pending a suspension order or possession order sought on the grounds of anti-social behaviour and allowing any person to provide relevant information to the landlord of a secure tenant to enable the landlord to exercise functions connected with the provisions inserted by ss191-193 of the Act. Also brings into force ss55-57, ss79-81 and s237 of the Act in England on 15 June 2005, which relate to the licensing provisions for houses in multiple occupation and also for houses in Part III of the Act.