The US Secretary of State stressed that the decision would be made by the US Department of the Treasury WASHINGTON, June 2. /TASS/. The US administration does not exclude that it will again extend the suspension of its unilateral sanctions against the Russian oil sector, Secretary of State Marco Rubio said. "That ultimately is a decision that's made by Treasury, but I will tell you, it depends on the circumstances at the time," Rubio said. "We would like to end it as soon as we possibly can,