https://www.taxtmi.com/caselaws?id=73380 Proforma credit validly earned on receipt of inputs and lawfully utilised on clearance of finished computers could not be recovered merely because a later exemption notification made the final product duty-free. Rule 56A contained no express mechanism authorising reversal in that contingency, and the Revenue provisions invoked applied to wrongly allowed credit or procedural irregularities, not to credit correctly taken and used. The later exemption did not retrospectively invalidate the earlier credit entitlement, and the demand for reversal was therefore not sustainable. en-us Fri, 14 Aug 1987 00:00:00 +0530 Tue, 31 May 2011 15:34:49 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=73380 Proforma credit validly earned on receipt of inputs and lawfully utilised on clearance of finished computers could not be recovered merely because a later exemption notification made the final product duty-free. Rule 56A contained no express mechanism authorising reversal in that contingency, and the Revenue provisions invoked applied to wrongly allowed credit or procedural irregularities, not to credit correctly taken and used. The later exemption did not retrospectively invalidate the earlier credit entitlement, and the demand for reversal was therefore not sustainable. Case-Laws Central Excise Fri, 14 Aug 1987 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=73380