Declaration at commencement of business requires a verified filing and attachment of any necessary sectoral regulator approvals. A director must file the prescribed declaration under section 10A in the specified form as provided in the Companies (Registration Offices and Fees) Rules, and the declaration's contents must be verified by a practicing Company Secretary, Chartered Accountant, or Cost Accountant; where sectoral regulator approval is required, that registration or approval must be obtained and attached to the declaration.