Collection of Tax at Source

(12) Any authority not below the rank of Deputy Commissioner may serve a notice, either before or during the course of any proceedings under this Act, requiring the operator to furnish such details relating to- (a) supplies of goods or services or both effected through such operator during any period; or (b) stock of goods held by the suppliers making supplies through such operator in the godowns or warehouses, by whatever name called, managed by such operator and declared as additional places of business by such suppliers, as may be specified in the notice.