58 Special provision for 1995 onwards.E+W
(1)In relation to any relevant period the [Welsh Ministers] may make regulations under this section [ which apply in relation to Wales].
(2)The regulations may contain such provisions as are mentioned in subsection (3) below as regards any case which falls within a prescribed description and where—
(a)as regards a hereditament or hereditaments the chargeable amount for a chargeable day falls to be determined under section 43, 45 [or 54] above, and
(b)the day falls within the relevant period concerned.
[(3)The provisions are that the chargeable amount is to be such amount as is found in accordance with rules prescribed under this section instead of in accordance with Schedule 4ZA, 4ZB or 5A (as the case may be).]
(4)A chargeable amount found in accordance with rules prescribed under this section may be the same as or different from what it would be apart from the regulations.
(5)Rules prescribed under this section may be framed by reference to such factors as the [Welsh Ministers think] fit.
(6)Without prejudice to section [143A(2)(b)] below, regulations under this section relating to a relevant period may contain different provision for different relevant financial years.
(7)Without prejudice to section [143A(2)(b)] below, regulations under this section may contain different provision in relation to locally listed hereditaments whose rateable value exceeds, and those whose rateable value does not exceed, a prescribed figure; and a locally listed hereditament is a hereditament for the time being shown in a local non-domestic rating list.
[(7A)Without prejudice to section [143A(2) and (3)] below, regulations under this section may include provision—
(a)imposing duties and conferring powers on valuation officers (whether as regards determinations, certificates or otherwise) in relation to the ascertainment of rateable values;
(b)as to appeals relating to things done or not done by such officers.]
(8)Regulations under this section in their application to a particular [relevant financial year] shall not be effective unless they come into force before 1 January immediately preceding [the year]; but this is without prejudice to the power to amend or revoke.
(9)In making regulations under this section the [Welsh Ministers] shall have regard to the object of securing (so far as practicable) that the aggregate amount payable to [them] and all [billing authorities] by way of non-domestic rates as regards a particular financial year [does not exceed that which] it would in [their] opinion be likely to be apart from the regulations.
(10)For the purposes of this section—
(a)a relevant period is a period of [three] years beginning on any 1 April (other than 1 April 1990) on which lists must be compiled;
(b)a relevant financial year, as regards regulations relating to a relevant period, is a financial year falling within the period.