Singapore legislation
Regulation 27
of Electronic Transactions (Certification Authority) Regulations 2010
Regulation 27
Availability of general purpose repository
Subregulation 1
A general purpose repository must be available at all times of the day and on all days of every year.
Subregulation 2
A general purpose repository must ensure that the total aggregate period of any down time in any period of one month does not exceed 0.3% of the period.
Subregulation 3
Any down time, whether scheduled or unscheduled, must not exceed 30 minutes duration at any one time.