applicable percentage
(3) Exception for specified service businesses based on taxpayer’s income (A) In general If, for any taxable year, the taxable income of any taxpayer is less than the sum of the threshold amount plus $50,000 ($100,000 in the case of a joint return), then— (i) any specified service trade or business of the taxpayer shall not fail to be treated as a qualified trade or business due to paragraph (1)(A), but (ii) only the applicable percentage of qualified items of income, gain, deduction, or loss, and the W–2 wages and the unadjusted basis immediately after acquisition of qualified property, of the taxpayer allocable to such specified service trade or business shall be taken into account in computing the qualified business income, W–2 wages, and the unadjusted basis immediately after acquisition of qualified property of the taxpayer for the taxable year for purposes of applying this section. (B) Applicable percentage For purposes of subparagraph (A), the term “applicable percentage” means, with respect to any taxable year, 100 percent reduced (not below zero) by the percentage equal to the ratio of— (i) the taxable income of the taxpayer for the taxable year in excess of the threshold amount, bears to (ii) $50,000 ($100,000 in the case of a joint return).