To ensure control of pollution from noxious liquid substances from OSVs.
12.1 Each vessel certified to carry noxious liquid substances should be provided with a
Cargo Record Book, a Procedure and Arrangements Manual and a Shipboard Marine Pollution
Emergency Plan developed for the vessel in accordance with MARPOL Annex
II and approved by the Administration.
12.2 Discharge into the sea of residues of noxious liquid substances permitted for
carriage under the present Code, tank washings, or other residues or mixtures containing
such substances, is prohibited. Any discharges of residues and mixtures containing
noxious liquid substances should be to port reception facilities. As a consequence of
this prohibition, there are no requirements for efficient stripping and underwater
discharge arrangements in MARPOL Annex
II.