According to CoinMeta, U.S. Treasury Secretary Janet Yellen stated that details of measures aimed at economically isolating Iran will be announced on the 24th. She said that the United States will impose secondary sanctions on Iran's oil trade, capital remittances, and crude oil transshipment from ship to ship, and warned that third countries providing financial support will face sanctions as well. Yellen added that it is not expected to be necessary to undertake large-scale military actions.