Domestic pass-through owner share.
(21) Domestic pass-through owner share. The term domestic pass-through owner share means, with respect to a domestic pass-through owner and a domestic pass-through entity, the domestic pass-through owner's share of the aggregate section 965(a) inclusion amount and the section 965(c) deduction amount, as applicable, of the domestic pass-through entity, including the domestic pass-through owner's share of the aggregate section 965(a) inclusion amount and section 965(c) deduction amount, as applicable, of a domestic pass-through entity owned indirectly by the domestic pass-through owner through one or more other pass-through entities.