Section 40 of the Countryside and Rights of Way Act 2000 (CRWA 2000) permits persons authorised by Natural England to enter any land for certain specified purposes. This includes: • CRWA 2000, s 40(1)(a)—for the purposes of surveying it in connection with the preparation or review of any map under CRWA 2000, Pt I, and • CRWA 2000, s 40(1)(c)—ascertaining whether members of the public are permitted to exercise the rights conferred by CRWA 2000, s 2(1) While we have not been able to find any authority on this point, it does not seem to us possible that CRWA 2000, s 40 powers of entry could be used for the purposes of making an order under CRWA 2000, s 3A, because: • the making of a section 3A order (CRWA 2000, s 3A) cannot be described as the preparation or review of a map; particularly as a separate duty to prepare maps is