The Hong Kong SAR Marine Department has advised that as of 1st July the existing Merchant Shipping regulation (Cap 413J) has been replaced by a new Regulation (Cap 413O) which applies to all Hong Kong registered vessels and those within Hong Kong Waters.
Revised MARPOL Annex V adopted 2011, in force 2013, prohibits discharge of ship garbage into sea except as provided; MEPC approved changes & new guidelines for implementation & garbage management plans to prevent marine pollution.