Unique identification number requirement: intermediaries must obtain UINs for themselves and specified related persons before operating. Specified intermediaries and other entities must obtain a unique identification number from the Designated Service Provider for themselves and specified related persons, including principal officers, operational personnel (top three management tiers and other identified employees), promoters (excluding government/statutory authorities), directors, partners, approved users of stock broker terminals (excluding sub-brokers), sponsors, trustees, asset management companies and managers, and proprietors. A person may continue to act if an application for allotment was filed before the notified date or an appeal against rejection is pending. Certificates of registration issued after commencement are subject to the condition that unique identification numbers are obtained prior to commencing activities.