(1) A competent authority shall add a new category of sector or subsector set out in the Schedule, or an essential service, to the category of sector or, where appropriate, subsector or the essential service in respect of which a person is designated as an operator of essential services where the competent authority is satisfied that Regulation 12 is complied with in respect of that additional category of sector or subsector or essential service.

(2) Before a competent authority makes an addition referred to in paragraph (1), the competent authority may request information from the operator of essential services concerned which the competent authority reasonably believes it requires for the purpose of deciding whether to make the addition.

(3) Where a competent authority proposes to make an addition referred to in paragraph (1), it shall notify the operator of essential services concerned in writing accordingly -

(a) stating the reasons for the proposed addition,

(b) stating the nature of the proposed addition, and