https://www.taxtmi.com/caselaws?id=69951 The amended depreciation rate introduced by the Income-tax (Fifth Amendment) Rules, 1980 was held to operate from its stated commencement, because a rule expressed to come into force at once applies from that date and is not confined to the succeeding assessment year. On that basis, the enhanced depreciation rate applied to assessments pending or completed after 24-7-1980. The objection that the issue was debatable was rejected in rectification proceedings, since the express commencement language left no genuine scope for doubt and a patent mistake could be corrected. en-us Fri, 21 Oct 1983 00:00:00 +0530 Wed, 13 Apr 2011 10:43:41 +0530 TaxTMI RSS Generator https://www.taxtmi.com/caselaws?id=69951 The amended depreciation rate introduced by the Income-tax (Fifth Amendment) Rules, 1980 was held to operate from its stated commencement, because a rule expressed to come into force at once applies from that date and is not confined to the succeeding assessment year. On that basis, the enhanced depreciation rate applied to assessments pending or completed after 24-7-1980. The objection that the issue was debatable was rejected in rectification proceedings, since the express commencement language left no genuine scope for doubt and a patent mistake could be corrected. Case-Laws Income Tax Fri, 21 Oct 1983 00:00:00 +0530 https://www.taxtmi.com/caselaws?id=69951