6. In relation to a high-activity source, the regulator must—
(a)keep records of those matters—
(i)required by Article 5(3) and (4) of the HASS Directive, and
(ii)notified to it under Article 6 of that Directive, and
(b)establish or maintain a system of inspections to enforce the following provisions of the HASS Directive—
(i)Articles 3 to 6;
(ii)as appropriate, Article 7(1) and (2) or Article 16(1)(b).