Section 1
[Provided that where notice under clause (a) of sub-section (1) has been served and the proper officer is of the opinion that the amount of duty along with interest payable thereon under section 28AA or the amount of interest, as the case may be, as specified in the notice, has been paid in full within thirty days from the date of receipt of the notice, no penalty shall be levied and the proceedings against such person or other persons to whom the said notice is served under clause (a) of sub-section (1) shall be deemed to be concluded.]
1 [Provided that where notice under clause (a) of sub-section (1) has been served and the proper officer is of the opinion that the amount of duty along with interest payable thereon under section 28AA or the amount of interest, as the case may be, as specified in the notice, has been paid in full within thirty days from the date of receipt of the notice, no penalty shall be levied and the proceedings against such person or other persons to whom the said notice is served under clause (a) of sub-section (1) shall be deemed to be concluded.]
(3) Where the proper officer is of the opinion that the amount paid under clause (b) of sub-section (1) falls short of the amount actually payable, then, he shall proceed to issue the notice as provided for in clause (a) of that sub-section in respect of such amount which falls short of the amount actually payable in the manner specified under that sub-section and the period of 2 [two years] shall be computed from the date of receipt of information under sub-section (2).
(4) Where any duty has not been 3 [levied or not paid or has been short-levied or short-paid] or erroneously refunded, or interest payable has not been paid, part-paid or erroneously refunded, by reason of, f, —
(a) collusion; or
(b) any wilful mis-statement; or
(c) suppression of facts,
by the importer or the exporter or the agent or employee of the importer or exporter, the proper officer shall, within five years from the relevant date, serve notice on the person chargeable with duty or interest which has not been 4 [so levied or not paid] or which has been so short-levied or short-paid or to whom the refund has erroneously been made, requiring him to show cause why he should not pay the amount specified in the notice.
(5) Where any 5 [duty has not been levied or not paid or has been short-levied or short paid] or the interest has not been charged or has been part-paid or the duty or interest has been erroneously refunded by reason of collusion or any wilful mis-statement or suppression of facts by the importer or the exporter or the agent or the employee of the importer or the exporter, to whom a notice has been served under sub -section (4) by the proper officer, such person may pay the duty in full or in part, as may be accepted by him, and the interest payable thereon under section 28AA and the penalty equal to 6 [fifteen per cent.] of the duty specified in the notice or the duty so accepted by that person, within thirty days of the receipt of the notice and inform the proper officer of such payment in writing.
(6) Where the importer or the exporter or the agent or the employee of the importer or the exporter, as the case may be, has paid duty with interest and penalty under sub-section (5), the proper officer shall determine the amount of duty or interest and on determination, if the proper officer is of the opinion —
(i) that the duty with interest and penalty has been paid in full, then, the proceedings in respect of such person or other persons to whom the notice is served under sub-section (1) or sub- section (4),