The Companies (Inspection, Investigation and Inquiry) Rules, 2014 Rule 6 Letter of request, as per section 217 Chapter III · Security and Letters of Request Text as on Principal rules, unamended 6. Letter of Request, as per Section 217.--The letter of request shall be transmitted in such manner as specified by the Ministry of Corporate Affairs. Copy text 6. Letter of Request, as per Section 217.--The letter of request shall be transmitted in such manner as specified by the Ministry of Corporate Affairs.