Article 304 2.

The Commission shall submit to the European Parliament and to the Council, by 31 December 2020, a report on the application of the approach set out in paragraph 1 and the supervisory authorities' practices adopted pursuant to paragraph 1, accompanied, where appropriate, by adequate proposals. That report shall address, in particular, cross-border effects of the use of that approach with a view to preventing regulatory arbitrage by insurance and reinsurance undertakings.