(x)impose on persons engaged in the production or manufacture, storage or sale (whether on their own account or as brokers or commission agents) of salt, and, so far as such imposition is essential for the proper levy and collection of the duties imposed by this Act, of any other excisable goods, the duty of furnishing information, keeping records and making returns, and prescribe the nature of such information and the form of such records and returns, the particulars to be contained therein, and the manner in which they shall be verified;
