Irish Revenue has published eBrief No. 202/19 on the update of guidance on the treatment of capital losses.
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Treatment of allowable losses for Capital Gains Tax (CGT) purposes
Tax and Duty Manual Part 19-02-05 has been updated to reflect the fact that a deduction in respect of an allowable loss can only arise when there is a chargeable gain against which that loss can be offset.
Examples are included in the manual to show how relief for allowable losses is given for CGT purposes.