(1)The responsible officer of each House of Parliament may prepare a list which specifies—
(a)matters relating to proceedings of that House on private Bills and for which representatives may charge costs, and
(b)the amount of costs which they may charge for each matter.
(2)On an assessment of costs under this Act, a taxing officer may not allow costs for a matter specified under subsection (1)(a) in so far as they exceed the amount specified for that matter under subsection (1)(b).
(3)But he may allow reasonable costs for a matter which—
(a)relates to the proceedings, but
(b)is not specified under subsection (1)(a).