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The CNMC promotes and defends the proper functioning of all markets in the interest of consumers and businesses.
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We observe and analyse market activity to detect and prevent anti-competitive practices that may harm competition and affect consumers.
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Fight against cartels
Abuse of dominant position
Distortion through unfair practices
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We establish rules to ensure effective competition among companies across different economic sectors, with special attention to consumer protection.
Report or inform about an irregularity that you believe harms competition
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We offer advice and support to help maintain market balance when creating regulations or drafting public tenders.
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We strive to ensure companies play fair and impose penalties on those who break the rules.
We provide you with tools to make better choices, and channels to report any malpractice you see.
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We issue Communications that help clarify the principles guiding their actions in relation to the competencies assigned to them in the railway sector
Railway sector communications
