The bill would forbid refusing a business deal in Russia if that refusal is because of a foreign sanction, the lower house said in a statement on its website.
The bill appears destined to be passed as it was prepared by the speakers of both houses of parliament, dominated by the ruling United Russia party.
The measure would affect representatives of Western companies in Russia who must abide by sanctions imposed by the United States and European Union following Russia's annexation of neighbouring Ukraine's Crimea region four years ago.
Russia annexed the territory and has supported a pro-Russian separatist rebellion in eastern Ukraine, in retaliation for Ukraine ousting its pro-Russian president in what Russia has condemned as a Western-backed coup.
The bill appears destined to be passed as it was prepared by the speakers of both houses of parliament, dominated by the ruling United Russia party.
The measure would affect representatives of Western companies in Russia who must abide by sanctions imposed by the United States and European Union following Russia's annexation of neighbouring Ukraine's Crimea region four years ago.
Russia annexed the territory and has supported a pro-Russian separatist rebellion in eastern Ukraine, in retaliation for Ukraine ousting its pro-Russian president in what Russia has condemned as a Western-backed coup.