23.—(1) If the regulator is of the opinion that an operator has contravened, is contravening or is likely to contravene any monitoring and reporting condition, the regulator may serve on him a notice (an “enforcement notice”).
(2) An enforcement notice shall—
(a)state that the regulator is of the opinion that an operator has contravened, is contravening or is likely to contravene any monitoring and reporting condition;
(b)specify the matters constituting the contravention or the matters making it likely that the contravention will arise, as the case may be;
(c)specify the steps that must be taken to comply with the monitoring and reporting condition or, to the extent possible, to remedy any failure to comply with the monitoring and reporting condition, as the case may be; and
(d)specify the period within which those steps must be taken.
(3) The regulator may withdraw an enforcement notice at any time.