Russia designated Radio Free Europe/Radio Liberty (RFE/RL) and Voice of America (VOA) as "foreign agents" on Tuesday, a move aimed at complicating their work in retaliation for what Moscow says is unacceptable USA pressure on Russian media.
Journalists representing blacklisted media agencies will be banned from entering the State Duma and the Federation Council, the two branches of Russia's federal legislature.
"If Washington reconsiders and ends its pressure on the Russian media, we will also consider modifying our decisions", he said.
The Broadcasting Board of Governors, the USA agency that oversees the news organizations, issued a statement in October in response to the Russian threat. Russian state broadcaster RT last month reluctantly complied with a USA request to register a US -based affiliate company as a "foreign agent", under the Foreign Agent Registration Act.
"This list includes USA propaganda companies funded by the state and providing their services in the Russian language".
Russia's broadside against US media is part of the fallout from allegations that the Kremlin interfered in the USA presidential election previous year in favour of Donald Trump.
The U.S. State Department has condemned Russia's law, saying it obstructs press freedom. Worldwide news organizations have expressed concerns the practice could be broadened to include them as well.
Russian President Vladimir Putin signed a law in November empowering the government to designate media outlets receiving funding from overseas as "foreign agents" and impose sanctions against them. Realii, regional project Idel.
U.S. Ambassador to Russia Jon Huntsman said FARA is aimed at promoting transparency but does not restrict the television network's operation in the United States.