Treatment of reasonable compensation and guaranteed payments
Qualified business income shall not include—
(A) reasonable compensation paid to the taxpayer by any qualified trade or business of the taxpayer for services rendered with respect to the trade or business,
(B) any guaranteed payment described in section 707(c) paid to a partner for services rendered with respect to the trade or business,
(C) to the extent provided in regulations, any payment described in section 707(a) to a partner for services rendered with respect to the trade or business, and
(D) any amount with respect to which a deduction is allowable to the taxpayer under section 224(a) for the taxable year.