What are the rules in the revised MARPOL Annex V for the discharge outside special areas of cleaning agents or additives contained in cargo hold, deck and external surfaces wash water?

Cleaning agents or additives contained in cargo hold, deck and external surfaces wash water may be discharged into the sea outside a special area, but these substances must not be harmful to the marine environment, taking into account the IMO 2012 Guidelines for the Implementation of MARPOL Annex V.