According to CoinMeta, on the 21st, the U.S. Treasury Department issued a notice listing several individuals and entities related to the transportation of Iranian commodities on the "Specially Designated Nationals List" to impose sanctions, on the grounds that they assisted in hiding and transporting Iranian commodities. The notice stated that a law firm operating in Panama and Greece was accused of setting up "shell companies" for certain individuals or enterprises to facilitate transactions involving sanctioned Iranian goods. In addition, three shipping companies or shipping agencies located in Panama, Singapore, and the United Arab Emirates were also subject to sanctions. At the same time, nine vessels flying the flags of Panama and the UAE were sanctioned, and five individuals associated with the aforementioned law firms were also added to the sanctions list. The U.S. Treasury Department also issued two general permits to provide a grace period for relevant parties to gradually cease transactions with the sanctioned entities, with such transactions required to be completed by November 20th, Eastern Time.