Amendment
This Part was amended by Marine Protection Rules Amendments 2025. These amendments come into force on 1 December 2025.
Part 140 sets out the permitted operational discharges into the sea of cargo residues from noxious liquid substances carried in bulk by chemical tankers. The rules set limits on total quantity and concentration of discharges, and specifies minimum water depths and distance from land. More stringent discharge conditions apply to those substances that are categorised as most harmful to the marine environment.
The Part also contains requirements for the carriage of uncategorised noxious liquid substances from New Zealand.
The rules further provide for the reporting of non-operational discharges of noxious liquid substances to the appropriate coastal authorities.
Part 140 gives effect to standards found in Regulations 6 and 13 of Annex II of MARPOL 73/78 and to Protocol I of that instrument.
This Part was amended by Marine Protection Rules Amendments 2025. These amendments come into force on 1 December 2025.
This Part was amended by Marine Protection Rules Various Amendments (Changes Related to Conventions) 2017, in February 2018.
Part 132 amended this section in 2016, as part of the New Zealand Oil Spill Control Agents 2015 legislation.
This Part was amended by Marine Protection Rules Various Amendments 2014, in 2015.
Marine Protection Various Amendments 2010.
This Part was amended by Marine Protection Amendments Rules , Control of Pollution by Noxious Liquid Substances, MARPOL Revised Annex II (Parts 100, 101B, 103, 140, 141, 142A, 142B and 143) in 2008.
Part 140 entered into force on 20 August 1998.Timeline
Part 140 was signed into law by the Transport Minister on 20 May 1998.