Rule 4 of the Rules and Regulations of the Association
Eligibility for Membership : Admissions to all categories of membership will be with the approval of the Executive Committee, whose decisions on membership shall be final. General qualifications for various categories of membership are described below:
(1) Life members : All ordinary members who pay life membership fees will become life members with the same rights and obligations as ordinary members.
(2) Ordinary members : The following shall be eligible to become ordinary members:
(a) All former members of the Indian Foreign Service who have served abroad as Ambassadors or High Commissioners of India or Permanent Representatives of India to the United Nations or as Secretaries or Additional Secretaries in the Ministry of External Affairs;
(b) All other persons who have served as Ambassadors or High Commissioners of India.
(c) All former international civil servants of Indian nationality who have in the past held positions of Under Secretary General and above in the U.N. system.