Rail Safety (General) Regulation 2008
46 Exemptions from accreditation
(1) The ITSRR may, by notice in writing, exempt the following persons from some or all of the provisions of Part 3, or any regulations made under those provisions:(a) persons who carry out railway operations, or cause railway operations to be carried out, but who are not rail transport operators,(b) related bodies corporate of accredited persons.(2) A notice under this clause takes effect from the day specified in the notice, or if no day is specified, on the day it is given to the operator.(3) A notice under this clause has effect according to its tenor.(4) The ITSRR may, by notice in writing to the exempted person, cancel an exemption under this clause.