Capital expenditure deduction for specified business enables full deduction when wholly and exclusively incurred, subject to eligibility and use conditions. Deduction permits an assessee who opts to deduct whole capital expenditure incurred wholly and exclusively for a specified business in the previous year of incurrence, or, if capitalised and incurred prior to commencement, in the year operations commence; eligibility is restricted to newly set up businesses not formed by splitting or transfer of previously used plant beyond a de minimis threshold, subject to ownership, approval, capacity sharing and prescribed conditions, non duplication with other deduction provisions, asset use restrictions with recapture if used otherwise, and exclusions for land, goodwill and specified financial instruments.