(Bloomberg) -- Russia issued a vague order saying it would restrict trade in some goods and raw materials in response to sanctions from the U.S. and other countries, but left out key details about which products might be affected.

President Vladimir Putin signed the order to ban or restrict goods and said those items still need to be defined by the cabinet, according to the statement posted Tuesday. The Kremlin instructed the government to prepare a list of countries that the restrictions will apply to in two days. 

Apart from limits on taking currency out of the country, Russia’s retaliatory sanctions have so far been vague, including the creation of an ‘unfriendly country’ list and a threat to cut off natural gas supplies to Europe through the Nord Stream 1 pipeline.

Russia is a major shipper of oil, gas, grain and metals. Trade is already severely restricted after U.S. and European sanctions on Russia’s central bank and major lenders. A raft of international companies have already left the country, including major shippers. 

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