The Railways (Rateable Values) Order 1989
Under paragraph 3(2) of Schedule 6 to the Local Government Finance Act 1988, the Secretary of State may by order provide in the case of non-domestic hereditaments to be shown in the central rating lists for England and Wales that the normal rules of valuation for rating contained in paragraphs 2 to 2B of that Schedule shall not apply, and instead their rateable value shall be such as is specified, or determined in accordance with rules set out, in the order.