For after-hours or late or self check-in (i.e. after 9 pm), you are required to fill up the Pre-Arrival Registration, before 6 pm on your original arrival day.
For normal-hour check-in (i.e. from 9 am to 9 pm), you can still complete your registration at the reception.
Please click here for the specific (After Hours/Late/Self) check-in instruction:
All the time and date mentioned are in local Singapore time (SGT).