Commissioner of Inland Revenue v Auckland Gas Co Ltd - [1999] 2 NZLR 418

Revenue — Income tax — Deductibility of expenditure — Capital expenditure — Whether expenditure on installing new gas pipes was of capital nature — Whether expenditure an alteration which did not increase capital value of asset or did so by amount less than cost — Income Tax Act 1976, ss 101, 104, 106(1)(a) and 108(1).