Article 18 3.

A gatekeeper shall be deemed to have engaged in systematic non-compliance with the obligations laid down in Articles 5, 6 and 7, where the Commission has issued at least three non-compliance decisions pursuant to Article 29 against a gatekeeper in relation to any of its core platform services within a period of 8 years prior to the adoption of the decision opening a market investigation in view of the possible adoption of a decision pursuant to this Article.