(1) Save as is provided by section 27, no order passed or proceedings taken under this Act, the rules or notification by any authority appointed or constituted under this Act, shall be called in question in any Court, and save as is provided by section 26, no appeal shall lie against any such order.

(2) No appeal shall lie against, -

(a) any notice issued under this Act, rules or notifications, or

(b) any summons issued under sub-section (1) of section 14, or a defect notice issued under section 20 or (b-1) an assessment order passed under sub-section (l) of section 23, or

(b-2) an order levying penalty under sub-section (8) of section 29, or

(b-3) an order passed under sub-section (2) or (4) of section 30 regarding the interest payable by the dealer under any provision of this Act, or

(b-4) an intimation issued under sub-section (7) of section 63, or

(c) any order issued on an application for installment, or

(d) any order or notice issued under sub-section (1) or (2) of section 34, or

(d-1) the order passed under sub-sections (1) and (2) of section 35, or.

(e) an order pertaining to the seizure or retention of books of accounts, registers and other documents, or

(g) any order or assignment under section 59, or

(i) an interim order issued in the course of any proceeding not being an order issued under sub-section (6) of section 26, or

(j) any order, published by the Commissioner, by virtue of the powers conferred on him by notification issued under section 26B.