Article 30 4

4.   Without prejudice to Article 4 of Regulation (EU) 2019/1150, if a provider of an online platform allowing consumers to conclude distance contracts with traders refuses to allow a trader to use its service pursuant to paragraph 1, or suspends the provision of its service pursuant to paragraph 3 of this Article, the trader concerned shall have the right to lodge a complaint as provided for in Articles 20 and 21 of this Regulation.