Exempt organizations.
(8) Exempt organizations. In respect of property disposed of by an organization which is or was exempt from income taxes (within the meaning of section 501(a)), adjustments reflected in the adjusted basis (within the meaning of subparagraph (2) of this paragraph) shall include only depreciation or amortization allowed or allowable (i) in computing unrelated business taxable income (as defined in section 512(a), or (ii) in computing taxable income of the organization (or a predecessor organization) for a period during which it was not exempt or, by reason of the application of section 502, 503, or 504, was denied its exemption.