Where, following boarding and inspection, there are clear grounds for believing that a vessel has committed a serious violation, and the flag State has either failed to respond or failed to take action as required under paragraphs 6 or 7, the inspectors may remain on board and secure evidence and may require the master to assist in further investigation including, where appropriate, by bringing the vessel without delay to the nearest appropriate port, or to such other port as may be specified in procedures established in accordance with paragraph 2. The inspecting State shall immediately inform the flag State of the name of the port to which the vessel is to proceed.
Kadar po vkrcanju in pregledu obstajajo razlogi za upravičen sum, da je plovilo izvedlo hujšo kršitev, in se država zastave bodisi ni odzvala ali ni sprejela ukrepov, kakor je zahtevano v odstavkih 6 ali 7, inšpektorji lahko ostanejo na krovu in zaščitijo dokaze ter lahko zahtevajo od poveljnika, da jim pomaga pri nadaljnji preiskavi, v okviru katere lahko, če je to primerno, nemudoma odpeljejo plovilo v najbližje primerno pristanišče ali v katero drugo takšno pristanišče, ki se ga lahko opredeli s postopki, izdelanimi v skladu s členom 2. Država inšpekcije nemudoma obvesti državo zastave o imenu pristanišča, v katerega mora pluti plovilo.