https://www.taxtmi.com/caselaws?id=115163 Approved classification lists under Rule 173B prevent attribution of suppression or wilful misstatement where the assessee disclosed its classification basis and the Department had full knowledge. Recovery of differential central excise duty is therefore confined to the normal limitation period under Rule 10. The Cotspun principle applies: duty based on an approved classification list does not constitute a short levy until the approval is challenged through notice. Retrospective validation under the Finance Act, 2000 does not extend Rule 10 recovery beyond normal limitation in these circumstances. en-us Fri, 24 Dec 2004 00:00:00 +0530 Thu, 24 May 2012 13:23:49 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=115163 Approved classification lists under Rule 173B prevent attribution of suppression or wilful misstatement where the assessee disclosed its classification basis and the Department had full knowledge. Recovery of differential central excise duty is therefore confined to the normal limitation period under Rule 10. The Cotspun principle applies: duty based on an approved classification list does not constitute a short levy until the approval is challenged through notice. Retrospective validation under the Finance Act, 2000 does not extend Rule 10 recovery beyond normal limitation in these circumstances. Case-Laws Central Excise Fri, 24 Dec 2004 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=115163