Director particulars update: DIR-6 mandates notifying specified identity and address changes with mandatory PAN and documentary proof. Form DIR-6 requires notification to the Central Government of changes to a director's or designated partner's particulars, specifying amendable fields (name, parentage, DOB, gender, nationality, addresses, PAN, Aadhaar, passport, voter ID, driving licence, contact details, photograph and residential status), mandatory PAN for Indian nationals, documentary proof for changes, applicant verification and digital signature, practitioner certification obligations, and exposure to penal liability for false statements or incorrect certification.