Mexico’s PSM registry after CTA: what filings still matter

Short summary

A detailed guide to querying Mexico's Public Registry of Commerce (PSM) through OpenRegistry's MCP integration, covering company searches, profiles, filings, and officer records. The article clarifies that PSM data covers commercial registration authority but not beneficial ownership, which matters for AML and sanctions compliance under OFAC's 50% rule or CTA workflows. Notarial metadata, execution vs. registration dates, and the distinction between administradores and UBOs are key pitfalls.

• •Mexican PSM registry accessible via OpenRegistry MCP but does not expose beneficial ownership data
• •administradores field indicates registered authority, not FATF-style control or UBO status
• •Notarial protocol numbers and execution dates must be preserved for priority analysis in mergers and capital changes

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