Inšpektor za varnost plovbe se prepriča, da se tanki perejo s surovo nafto na vseh ladjah za prevoz surove nafte, za katere se zahteva, da imajo sistem za pranje s surovo nafto, ali za katere se lastnik ali ladjar odloči, da bo nanje namestil sistem za pranje s surovo nafto, da bi izpolnil zahteve v Predpisu 13 Priloge I k MARPOL 73/78. Poleg tega pa je izpolnjevanje zahtev zagotovljeno tudi z operativnimi zahtevami, določenimi v spremenjenih Specifikacijah o zasnovi, delovanju in nadzoru sistemov za pranje tankov s surovo nafto (Resolucija IMO A.446(XI), spremenjena z Resolucijo IMO A.497 (XII)).
The port State control officer will ensure that crude oil washing is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system in order to comply with Regulation 13 of Annex I to MARPOL 73/78. In addition, compliance will be ensured with the operational requirements set out in the revised Specifications for the Design, Operation and Control of Crude Oil Washing Systems (IMO Resolution A.446(XI), as amended by IMO Resolution A.497(XII)).