2 There should be no interconnections between
the sludge tank discharge piping and bilge-water piping other than
possible common piping leading to the standard discharge connection
referred to in regulation 13.
3 For ships delivered before 1 January 2014footnote, existing arrangements where the oil
residue (sludge) tank(s) have discharge connections to oily bilge
water holding tank(s), tank top or oily water separator may be accepted.