[360] 21 (3) A notification made under paragraph (1) shall, to the extent to which the operator concerned may reasonably be expected to have such information, contain the following information: (a) the operator’s name; (b) the category of sector and, where appropriate, subsector and the essential service provided by it which is affected by the incident; (c) the time the incident occurred; (d) the duration of the incident; (e) information concerning the nature and impact of the incident; (f) information concerning any or any likely cross-border impact of the incident; (g) any other information that may be of assistance to the CSIRT. (4) In determining whether, in relation to an incident affecting an essential service provided by an operator of essential services and in respect of which the operator is designated as an operator of essential services, the incident has a significant impact on the continuity of the essential service, the following in particular shall be taken into account: (a) the number of users affected by the disruption of the essential service; (b) the duration of the incident; (c) the geographical spread of the area affected by the incident. (5) The CSIRT shall without delay furnish a copy of a notification made to it under paragraph (1) to the single point of contact and the competent authority referred to in Regulation 7(1) and, where the notification relates to an incident in a sector referred to in Regulation 7(2), a copy of the notification shall also be furnished without delay to the competent authority referred to in that Regulation. (6) (a) The CSIRT shall, where it is satisfied that an incident notified to it may have a significant impact on the continuity of the provision of an essential service in another member state having regard to the matters referred to in paragraph (4), inform the single point of contact in the other member state of the incident and may request the single point of contact to forward the notification made under paragraph (1) to the single point of contact in the other member state. (b) Where requested to do so by the CSIRT or a competent authority, the single point of contact shall send the notification to the single point of contact in the other member state.