Division 12.2
United Kingdom
Member States shall notify the Commission of maintenance activities as follows:
| (a) | five working days in advance for maintenance operations that may cause an unavailability period of up to 4 hours; |
| (b) | 10 working days in advance for maintenance operations that may cause an unavailability period of up to 12 hours; |
| (c) | 30 working days in advance for infrastructure computer room maintenance, which may cause up to six days unavailability period per year. |
To the extent possible, maintenance operations shall be planned outside working hours (19:00h-8:00h CET).