# The Merchant Shipping (Dangerous or Noxious Liquid Substances in Bulk) Regulations 1996, Regulation 5: Discharge of cargo tanks


(a) The discharge of any noxious liquid substance into the sea is prohibited, except where permitted by Schedule 2 in Merchant Shipping Notice No NLS 1.
(b) Tanks shall be washed, or prewashed, and the tank washings shall be dealt with, as prescribed in Schedule 2 in Merchant Shipping Notice No NLS 1.

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Source: https://www.legislation.gov.uk/uksi/1996/3010/regulation/5 (the official version)
Page: https://openlegislation.uk/merchant-shipping-dangerous-or-noxious-liquid-substances-in-bulk-regulations-1996/regulation-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.