Appeals to Appellate Tribunal

(8) No appeal shall be filed under sub-section (1), unless the appellant has paid-(a) in full, such part of the amount of tax, interest, fine, fee and penalty arising from the impugned order, as is admitted by him, and (b) a sum equal to twenty per cent. of the remaining amount of tax in dispute, in addition to the amount paid under sub-section (6) of the section 107, arising from the said order, in relation to which the appeal has been filed.