Registers of deposits required; entries must be authenticated and retained under companies deposit rules for a statutory period. Companies accepting deposits must maintain registers at their registered office recording prescribed depositor particulars (name, address, PAN; guardian/nominee details; receipt number; deposit date and amount; duration and repayable date; interest rate and due dates; payment mandates; security particulars and other relevant details). Entries must be made within seven days of issuance of the receipt and authenticated by a director, secretary or authorised officer. The register must be preserved in good order for at least eight years from the financial year of the latest entry.