Marine Link on 18th July reported that the US had submitted the complaint to the UN Security Council North Korea sanctions committee. The US said that as of May 30th, there had been 89 illicit ship-to-ship transfers of refined petroleum products this year. The US provided a list to the Security Council committee of 89 illicit North Korean transactions and photos.
https://www.marinelink.com/news/us-accuses-nkorea-fuel-smuggling-439749