https://www.taxtmi.com/caselaws?id=74985 Proforma credit of duty-paid inputs used in manufacturing polyester fibre could not be denied merely because part of the input appeared in methanol or other residual matter arising from the process. Rule 56A and Notification No. 201/79 were treated as materially identical in their relevant operation, and the later amendment plus the departmental circular clarified that credit was not to be reduced where input emerged in waste, refuse, or by-product. Methanol was described as an inevitable incident of the chemical reaction and not a separate product disqualifying the credit. Trade notice and Board clarification were treated as relevant aids in construing the exemption scheme. en-us Thu, 23 Nov 1989 00:00:00 +0530 Sat, 09 Jul 2016 11:05:00 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=74985 Proforma credit of duty-paid inputs used in manufacturing polyester fibre could not be denied merely because part of the input appeared in methanol or other residual matter arising from the process. Rule 56A and Notification No. 201/79 were treated as materially identical in their relevant operation, and the later amendment plus the departmental circular clarified that credit was not to be reduced where input emerged in waste, refuse, or by-product. Methanol was described as an inevitable incident of the chemical reaction and not a separate product disqualifying the credit. Trade notice and Board clarification were treated as relevant aids in construing the exemption scheme. Case-Laws Central Excise Thu, 23 Nov 1989 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=74985