# Section 5: Supervision, investigation, enforcement and monitoring in respect of providers of general-purpose AI models > EU AI Act (2024/1689) > Chapter 9 Post-market Monitoring, Information Sharing and Market Surveillance > Source: https://en.ai-act.io/chapter/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models ## Articles - [Article 88: Enforcement of the obligations of providers of general-purpose AI models](https://en.ai-act.io/article/post-market-monitoring-information-sharing-and-market-surveillance/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models/enforcement-of-the-obligations-of-providers-of-general-purpose-ai-models.md) - [Article 89: Monitoring actions](https://en.ai-act.io/article/post-market-monitoring-information-sharing-and-market-surveillance/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models/monitoring-actions.md) - [Article 90: Alerts of systemic risks by the scientific panel](https://en.ai-act.io/article/post-market-monitoring-information-sharing-and-market-surveillance/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models/alerts-of-systemic-risks-by-the-scientific-panel.md) - [Article 91: Power to request documentation and information](https://en.ai-act.io/article/post-market-monitoring-information-sharing-and-market-surveillance/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models/power-to-request-documentation-and-information.md) - [Article 92: Power to conduct evaluations](https://en.ai-act.io/article/post-market-monitoring-information-sharing-and-market-surveillance/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models/power-to-conduct-evaluations.md) - [Article 93: Power to request measures](https://en.ai-act.io/article/post-market-monitoring-information-sharing-and-market-surveillance/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models/power-to-request-measures.md) - [Article 94: Procedural rights of economic operators of the general-purpose AI model](https://en.ai-act.io/article/post-market-monitoring-information-sharing-and-market-surveillance/supervision-investigation-enforcement-and-monitoring-in-respect-of-providers-of-general-purpose-ai-models/procedural-rights-of-economic-operators-of-the-general-purpose-ai-model.md)