[360] 17 decide whether to designate the person as an operator of essential services in respect of a particular category of sector, subsector or essential service. (4) Where a competent authority decides to designate a person as an operator of essential services, the competent authority shall notify the person in writing stating— (a) that that person is so designated, (b) the category of sector and, where appropriate, subsector and the essential service in respect of which that person is so designated, and (c) where that person has made representations in accordance with paragraph (2), the reasons why that person is so designated. (5) Where a person, in addition to providing an essential service in the State, provides the essential service in another member state, the competent authority shall consult with the competent authority in that member state before deciding whether to designate the person as an operator of essential services in respect of that service. (6) A competent authority shall promptly enter particulars of a person designated by it as an operator of essential services in the Operators Register maintained by the competent authority under Regulation 16. Amendment of designation as operator of essential services by addition of sector, subsector or essential service in respect of which a person is designated 14. (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 (c) giving the operator an opportunity to make representations in writing to the competent authority in respect of the proposed addition within 15 working days of the date of the notification.