Italian authorities this week seized property worth about 30 million euros ($40 million) belonging to companies controlled by Arkady Rotenberg, an ally of President Vladimir Putin targeted by the U.S. and European Union sanctions.
The draft law, published on a parliamentary database, would allow for compensation for Russian citizens who suffer because of an "unlawful court act" in a foreign jurisdiction and clear the way to foreign state assets in Russia being seized, even if they are subject to international immunity.
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Boris Nemtsov, a Kremlin critic who in the late 1990s was a senior member of government, said the bill was an attempt by Putin to shield Russian billionaires and officials from the impact of sanctions.
"What is a strongman's friendship like?" he asked rhetorically on his Facebook page. "It is when your four villas, apartment and hotel are seized in Italy, and your accomplice in the Kremlin immediately introduces a bill to compensate for the losses from the Russian budget."