FII registration: standardized application, disclosure and undertaking requirements govern entry and liability for sub-accounts. Standardized application and certification procedures for Foreign Institutional Investors and sub-accounts require detailed applicant identification, category classification, regulatory and tax authority particulars, proposed investment nature, domestic custodian and designated bank appointment, disciplinary history disclosure, and prescribed enclosures. Applicants must provide explicit declarations and undertakings to notify regulators of changes, comply with applicable laws and operational directives, accept liability for sub-account acts and omissions, and meet specified eligibility conditions for sub-accounts. A certificate of registration is issued in prescribed form and remains valid until suspended or cancelled under the regulations.