https://www.taxtmi.com/caselaws?id=15109 The Income-tax (Fourth Amendment) Rules, 1983 were held to operate only prospectively from 2 April 1983 and not to affect an earlier assessment year. Because the relevant year was 1981-82 and the amendment was not given retrospective effect, depreciation under the amended rules could not be applied to that prior year. The operative principle is that an amendment expressed to be prospective, and silent on retrospectivity, cannot govern an assessment period that ended before its commencement. en-us Wed, 01 Apr 1998 00:00:00 +0530 Mon, 03 Aug 2009 11:18:00 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=15109 The Income-tax (Fourth Amendment) Rules, 1983 were held to operate only prospectively from 2 April 1983 and not to affect an earlier assessment year. Because the relevant year was 1981-82 and the amendment was not given retrospective effect, depreciation under the amended rules could not be applied to that prior year. The operative principle is that an amendment expressed to be prospective, and silent on retrospectivity, cannot govern an assessment period that ended before its commencement. Case-Laws Income Tax Wed, 01 Apr 1998 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=15109