Article 9 imposes the ENFORCEMENT PROCEDURE obligation on Member States to ensure that an adequate + effective enforcement procedure is available to ensure compliance with Articles 4 + 5 + 7 by public sector bodies. The procedure is the BACK-END to the Article 7(1)(c) front-end (the user-facing enforcement procedure link on the accessibility statement). Article 9(2) the enforcement procedure must include the possibility to contact an ombudsman or competent national authority to ensure the assessment of notifications + requests received under Article 7(1)(b) feedback mechanism + to monitor the assessment by public sector bodies. The specific national designation varies by Member State (commonly the national ombudsman + the data protection authority + sector-specific accessibility authority). The Article 9 procedure is the legal hook for individual complaints + collective redress + sectoral inquiries on accessibility non-compliance.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.