258.Section 141 makes minor amendments to the Mobile Homes (Wales) Act 2013 (see Part 5 of Schedule 3). Section 142 makes provision so that a power to make an order or regulations under the Act must be exercised by statutory instrument and defines “local housing authority” to mean the council of a county or county borough in Wales. Section 144 provides the Welsh Ministers with a power, by regulations, to make any supplementary, incidental, consequential and transitional or saving provision they consider necessary or expedient for the purpose of, or in consequence of, giving full effect to the Act. Section 145 sets out the provisions that will come into effect on the date of Royal Assent, those that will come into force two months after Royal Assent, and those that will come into force by commencement orders made by the Welsh Ministers.