1 The Marine Environment Protection Committee (MEPC), at its sixty-second
session (11 to 15 July 2011), approved the Guidance on scaling of ballast water
management systems developed by the Sub-Committee on Bulk Liquids and Gases
(BLG) at its fifteenth session (7 to 11 February 2011), disseminated as
BWM.2/Circ.33.
2 MEPC 72 (9 to 13 April 2018) considered and approved a revision of the
Guidance in order to reflect the requirements of the Code for Approval of Ballast
Water Management Systems (resolution MEPC.300(72)),footnote as set out in the annex.
3 Member Governments and international organizations are invited to bring
the annexed Guidance to the attention of all parties concerned.
4 This circular supersedes BWM.2/Circ.33.footnote