It is mandated to, among other things:
- Conduct inquiry, investigate, hear and decide cases involving violations of the PCA, its implementing rules, and other competition laws;
- Review proposed merger or acquisition transactions, determine applicable thresholds, requirements, and procedures;
- Prohibit merger and acquisition transactions that will substantially lessen competition in the relevant market;
- Monitor and analyze competition practivces in markets, and issue advisory opinions, rules, and guidelines on competition matters for the effective enforcement of the PCA;
- Conduct, publish, and disseminate studies, reports, and other publications on competition matters to inform and guide the industry and consumers; and
- Advocate for pro-competitive government policies.

