Commentary on Sections Part 4 - Additional Control Provisions in Relation to Residential Accommodation Chapter 4: Supplementary Provisions Section 146: Interpretation and Modification of this Part
304.Section 146 (in addition to setting out definitions) provides that the appropriate national authority may, by way of regulations, modify the provisions in Part 4 or section 263 in respect of section 257 HMOs (poorly converted blocks of flats).