(2) In particular, and without prejudice to the generality of the foregoing power, such rules may provide for all or any of the following matters, namely,--
(a) the maintenance by dealers and producers generally, or by any dealer or producer in particular, of records of all sale and purchase transactions made by them;
(b) the furnishing of any such information as may be required with respect to the business carried on by any dealer or producer;
(c) the inspection of any books of account or other documents belonging to or under the control of any dealer or producer.