The Russian president said so Thursday during his annual marathon news conference in Moscow. During the year-end event, Putin also suggested that Russia's presidential term limits "could be removed."
The measure, known as the Caesar Syrian Civilian Protection Act, authorizes sanctions for war crimes. It is included in the newly passed 2019 Pentagon budget.
The retaliation, "guided by the reciprocity principle," comes after Germany expelled two Russian diplomats last week. The tussle stems from a killing in Berlin that Germany has linked to the Kremlin.
More than 13,000 people have been killed in the Russian insurgency since it began five years ago. The Ukrainian president entered the talks in a tricky position, wanting peace but lacking leverage.
WADA says Russia won't be able to take part in high-profile events such as the upcoming Summer Olympics in Tokyo or the 2022 World Cup because it has continued to provide fake information.
Ukraine's President Volodymyr Zelenskiy will have his first meeting with Russian leader Vladimir Putin in Paris, in an effort to end a five-year conflict in eastern Ukraine that has cost 13,000 lives.
The rule extends a 2017 law pertaining to outlets like Voice of America. That law was drafted after the Justice Department compelled Russia-backed RT America to register as a foreign agent in the U.S.