24. After regulation 39, insert—
39A.—(1) Where the one or more of the conditions in paragraph (2) are met, the Secretary of State may by regulations make provision to amend Schedules 1C to 1J in relation to any of the following matters—
(a)maximum permissible errors (MPEs) and accuracy classes;
(b)rated operating conditions;
(c)critical change values; and
(d)disturbances.
(2) The conditions referred to in paragraph (1) are that the Secretary of State considers that the purpose of the provision is to—
(a)take into account scientific or technical progress; or
(b)provide adequate protection of consumers or other end users.
(3) The power to make regulations under this regulation includes the power—
(a)to make different provision for different cases; and
(b)to make such supplemental, consequential and transitional provision as the Secretary of State considers appropriate
(4) Regulations made under paragraph (1) are to be made by statutory instrument subject to annulment in pursuance of a resolution of either House of Parliament.”.