(1) The Commissioner may from time to time, issue such orders, instructions and directions to all officers and persons employed in the execution of this Act as he may deem fit for the administration of this Act, and all such officers and persons shall observe and follow such orders, instructions and directions of the Commissioner.

(2) For the purposes of official use, the Commissioner may, by notice in any newspaper, or in such other manner as he deems proper, call upon all dealers or any class of dealers or persons to furnish such information, statement or return as may be specified in the notice issued in this behalf.

(3) No such orders, instructions, or directions shall be issued under sub-section (1) so as to interfere with the discretion of any appellate authority in the exercise of its appellate functions.

(4) Without prejudice to the generality of the foregoing power, the Commissioner may, on his own motion or on an application by a registered dealer liable to pay tax under this Act, if he considers it necessary or expedient so to do, for the purpose of maintaining uniformity in the work of assessments and collection of revenue, clarify the rate of tax payable under this Act in respect of goods liable to tax under this Act, and all officers and persons employed in the execution of this Act shall observe and follow such clarification.

(5) No such application under sub-section (4) shall be entertained unless it is accompanied by proof of payment of such fee, paid in such manner, as may be prescribed.