(1) The Minister must from time to time consult (as required by section 20) on whether the service standards for providing health care services of any kind should—
(a) continue in force unamended; or
(b) to encourage the providers of health care services of that kind to improve the quality of those services,—
(i) be amended; or
(ii) be replaced by 1 or more new sets of service standards.
(2) The Minister must consult no later than 4 years after the most recent of the following days:
(a) the day the approval of the standards came into force:
(b) the day the approval of the most recent amendment of the standards came into force:
(c) the day the most recent consultation on the standards under this section was begun.