4.1 The Supplier shall, during the Subscription Term, provide the Services and make available the Documentation to the Customer on and subject to the terms of this agreement.
4.2 The Supplier shall use commercially reasonable endeavours to make the Services available 24 hours a day, seven days a week, except for:
(a) daily planned maintenance carried out during the maintenance window of 11.00 pm to 2.00 am Singapore time; and
(b) unscheduled maintenance performed outside Normal Business Hours, for which the Supplier will use reasonable endeavours to give the Customer at least 6 Normal Business Hours’ notice in advance.
4.3 The Supplier will, as part of the Services and at no additional cost to the Customer, provide the Customer with the Supplier’s standard customer support services during Normal Business Hours in accordance with the Supplier’s Support Services Policy in effect at the time that the Services are provided. The Supplier may amend the Support Services Policy in its sole and absolute discretion from time to time. The Customer may purchase enhanced support services separately at the Supplier’s then current rates.
4.4 The Supplier may from time to time, but is not obligated to, update, upgrade or make changes to the Services. These updates, upgrades or changes will take effect when notified to you.