When a driver takes a reduced weekly rest period of 24 hours, how and when must the rest reduction be compensated?

1. By taking an extra hour of rest on the following two working days
2. By adding the equivalent rest to the annual holiday leave balance
3. By taking a 10-hour rest on the following Sunday only
4. By taking an equivalent continuous rest block attached to another rest period of at least 9 hours before the end of the third week following the week in question