3. The Secretary of State, having considered any report made by the committee under paragraph 2—
(a)shall determine whether the replacement is necessitated by an act or omission on the part of the person supplied or (if the act or omission occurred when the person supplied was under 16 years of age) of the person supplied or of the person having charge of him when the act or omission occurred;
(b)if it is so necessitated, shall determine whether the replacement was not wholly necessitated by a lack of reasonable care as referred to in regulation 11(3); and
(c)if it is so necessitated, shall determine, in accordance with regulation 11(2) and (3), the amount of the charge to be made and recovered.