Assessment

(1) If the Commissioner is satisfied that a return furnished by a dealer under section 15 in respect of any period is correct and complete, he shall by order in writing, assess the dealer and determine the tax payable by him on the basis of such return; (2) If the Commissioner is not satisfied that a return furnished under section 15 is correct and complete, he shall serve on the dealer a notice requiring him, on the date, and at the hour and place specified therein, either to attend in person or to produce or cause to be produced any evidence on which he may rely in support of his return. (3) On the day specified in the notice under the sub-section (2) or as soon as afterwards as may be, the Commissioner, after hearing such evidence as the dealer may produce and such other evidence as the Commissioner may require, shall, by an order in writing, assess the dealer and determine the tax payable by him on such assessment. (4) If a dealer fails to make a return as required by sub-section (1) or sub-section (2) of section 15, as the case may be, or having made the return fails to comply with all the terms of the notice issued under sub-section (2) of this section, the Commissioner shall by an order in writing, assess to the best of his judgment the dealer, and determine the tax payable by him on the basis of such assessment: Provided that before making assessment the Commissioner may allow the dealer such further time as he thinks fit to make the return or to comply with the terms of the notice issued under sub-section (2) of this section.