Research analyst regulation updates: new part-time category, qualification and certification mandates, AI disclosure and client segregation rules. Regulations expand definitions and create a part-time research analyst category, require specified academic/professional qualifications and ongoing NISM certification for individuals and principal officers, impose a deposit maintained under lien, mandate compliance officers for non-individuals, require client-level segregation between research and distribution at group and family levels, require disclosure and client-data responsibilities where Artificial Intelligence tools are used, and add recordkeeping, website and corroboration obligations for research recommendations.