...decides that each Member State shall de-register any vessel it has reasonable grounds to believe was involved in activities, or the transport of items, prohibited by resolutions 1718 (2006), 1874 (2009), 2087 (2013), 2094 (2013), 2270 (2016), 2321 (2016), 2356 (2017), 2371 (2017), 2375 (2017), or this resolution and prohibit its nationals, persons subject to its jurisdiction and entities incorporated in its territory or subject to its jurisdiction from thereafter providing classification services to such a vessel ... and further decides that Member States shall not register any such vessel that has been de-registered by another Member State pursuant to this paragraph except as approved in advance by the Committee on a case-by-case basis;
...except as approved in advance by the Committee on a case-by-case basis...