371.Sections 145, 146 and 147 make reforms to the legislation on the allocation of social housing under Part 6 of the Housing Act 1996 (the 1996 Act). They give local housing authorities in England the power to determine what classes of persons are or are not qualifying persons to be allocated housing and take existing social tenants out of the scope of Part 6 of that Act, with the exception of those who must be given reasonable preference for an allocation.