Answer:
Do not disturb.
Step-by-step explanation:
The guests who do not want to get disturbed by any housekeeping service tag their rooms with a Do-Not-Disturb (DND) sign. The SOP for these rooms is as given below. Do not disturb by placing a call until 2:00 o'clock in the noon. After 2:00 p.m., the Supervisor calls the room to know the guest's needs.