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This weekly bulletin from Mayer Brown's Brasília litigation team highlights critical cases scheduled for judgment by Brazil's Supreme Federal Court, Superior Court of Justice, and Federal Court of Accounts...

Companies registered in Mexico's REPSE (Registry of Specialized Service Providers) face critical compliance deadlines for the first four-month period of 2026. Understanding the mandatory reporting requirements to IMSS and INFONAVIT, along with the potential consequences of non-compliance, is essential for maintaining valid registration and avoiding tax exposure.

A Brazilian court recently sanctioned lawyers for embedding hidden "prompt injection" commands in white text within their court filing, designed to manipulate AI systems reviewing the document.