Right from the registration of cooperative society till the cancellation of its registration, the Registrar acts as friend, philosopher and guide to the cooperatives and ensures that cooperative societies function in accordance with the cooperative society Act. In fact the Registrar is "Trimetric" of the Cooperative movement. The main functions of the Registrar are as under

(l) The Chief Executive may, at any time, on the direction of the board, call a special general meeting of the registrar of cooperative societies and shall call such meeting within one month after the receipt of a requisition in writing from the Central Registrar or from such member or members or a proportion of the total number of members, as may be provided in the bye-laws.
(2) If a special general meeting of a multi state cooperative society is not called in accordance with the requisition referred to in sub-section (1)the Central Registrar or any person authorized by him in this behalf shall have the power to call such meeting and that meeting shall be deemed to be a meeting called by the Chief Executive in accordance with the provisions of that sub-section and the Central Registrar may order that the expenditure incurred in calling such meeting shall be paid out of the funds of the society or by such person or persons who, in the opinion of the Central Registrar, was or were responsible for the refusal or failure to convene the special general meeting.(1) An application for registration of a multi-state cooperative society under sub-section (1) of section 6 shall be made in Form I and shall, subject to the provisions of sub-section (2) of section 6 and these Rules be signed by the applicants and be accompanied by the cooperative society. (a) four copies of the proposed bye-laws of the multi-state cooperative society, duly signed by each of the persons who sign the application for registration; (b) a list of persons who have contributed to the share capital, together with the amount contributed by each of them, and the admission fee paid by them; (c) a certificate from the bank or banks stating the credit balance in favor of the proposed multi state cooperative society; (d) a scheme showing the details explaining how the working of the multi-state cooperative society will be economically sound and the registration of such multi state cooperative society will be beneficial for social and economic betterment of its members through self-help and mutual aid in accordance with the cooperative principles; (e) certified copy of the resolution of the promoters which shall specify the name and address of one of the applicants to whom the Central Registrar may address correspondence under the rules before registration and dispatch or hand over registration documents.