Prevention of Pollution of the Sea (Reporting of Pollution Incidents) Regulations (No. S 60/1991).

These Regulations require: masters of ships to report the occurrence of any actual or probable discharge of any harmful substances from a Singapore ship into Singapore waters; and the occupier of the place on land or the person in charge of the apparatus used for transferring oil or that substance from or to a ship, to report the occurrence of any actual or probable discharge of oil, oily mixture or noxious liquid substance into Singapore waters.
Procedures on how reports shall be made and their contents are set out in the text.