Article 20
Procedural guarantees 1. Reasons shall be given for any decision rejecting an application for a residence permit. It shall be notified to the third-country national concerned in accordance with the notification procedures under the relevant national legislation. The notification shall specify the possible redress procedures available and the time limit for taking action. Any consequences of no decision being taken by the end of the period referred to in Article 19(1) shall be determined by the national legislation of the relevant Member State. 2. Where an application for a residence permit is rejected, or the permit is not renewed or is withdrawn, the person concerned shall have the right to mount a legal challenge in the Member State concerned.