$500,000 Limitation for certain joint returns
Paragraph (1) shall be applied by substituting “$500,000” for “$250,000” if—
(i)#
either spouse meets the ownership requirements of subsection (a) with respect to such property;
(ii)#
both spouses meet the use requirements of subsection (a) with respect to such property; and
(iii)#
neither spouse is ineligible for the benefits of subsection (a) with respect to such property by reason of paragraph (3).