France has affirmed an advanced administrations charge in spite of dangers of counter by the US, which contends that it unjustifiably targets American tech mammoths.
The 3% assessment will be exacted on deals created in France by global firms like Google and Facebook.
The French government has contended that such firms headquartered outside the nation pay practically no assessment.
The US organization has requested an investigation into the move – which could bring about retaliatory duties.
The new expense was affirmed by the French senate on Thursday, seven days after it was passed by the lower house, the National Assembly.
Any computerized organization with income of more than €750m ($850m; £670m) – of which in any event €25m is produced in France – would be liable to the toll.
It will be retroactively connected from mid 2019, and is required to raise about €400m this year.