Pub. L. 91-650, tit. II, sec. 204

Sec. 204. Section 3(a)(7) of title III of the District of Columbia Income and Franchise Tax Act of 1947 (D.C. Code, sec. 47–15571)(a)(7)) is amended by adding at the end thereof the following new sentence: “In the case of property held by any taxpayer on the first day of his first taxable year beginning after December 31, 1968, which, on such first day, was property described in this paragraph, any reduction in the basis of such property for purposes of computing the allowance under this paragraph which resulted from the enactment of the District of Columbia Revenue Act of 1969 shall be treated as an additional depreciation deduction which shall (subject to paragraph (14)) be allowable under this paragraph ratably over such period (beginning not earlier than the first taxable year of the taxpayer which begins after December 31, 1968), not to exceed ten taxable years, as may be agreed upon by the taxpayer and the Commissioner.”