Depreciation Allowance for Machinery.
Section 29
SEC. 29. Depreciation Allowance for Machinery.—For purposes of assessment, a depreciation allowance shall be made for machinery at a rate not exceeding ten per cent of its original cost or its replacement or reproduction cost (new), as the case may be, for each year of use: Provided, That the remaining value for all kinds of machinery shall be fixed at not less than twenty per cent of such original or replacement cost for so long as the machinery is useful and in operation.