The search results provided do not contain specific information about legal and regulatory frameworks for AI agents or agentic AI systems for this weekly period. However, related AI regulation developments were found: AI governance is expanding rapidly across multiple jurisdictions. California, Colorado, and the European Union are all implementing new transparency, disclosure, and governance expectations for automated decision-making tools. The updated COPPA children's privacy rule takes effect April 22, 2026, with new consent, retention, and disclosure requirements. These developments represent broader trends in how governments oversee AI systems, though the search results lack specific news focused on AI agents or agentic AI legal frameworks.