Exception for certain low-income housing
This subsection shall not apply to any property described in clause (i), (ii), (iii), or (iv) of section 1250(a)(1)(B) (relating to low-income housing) if—
(A) such property is operated by or for an organization described in paragraph (3) or (4) of section 501(c), and
(B) at least 80 percent of the units in such property are leased to low-income tenants (within the meaning of section 167(k)(3)(B)) (as in effect on the day before the date of the enactment of the Revenue Reconciliation Act of 1990).