The US Treasury Department will restore economic sanctions against Iran within 180 days, according to the agency's website.
Part of the sanctions will be restored by August 6, that is, in 90 days. These include restrictions on the purchase of US dollars by the Iranian government and on commodity trading, as well as sanctions against Iran's auto industry. After 180 days, by November 4, sanctions against the oil, energy and banking sectors of Iran will come into force.