United States Code
USC most recently checked for updates: Jan 20, 2025
The term “wages” has the meaning given such term by section 3401(a).
In the case of an employee (within the meaning of section 401(c)(1)), the term “wages” includes the earned income (as defined in section 401(c)(2)) of such employee.
The term “wages” shall not include any amount taken into account in determining the work opportunity credit under section 51(a).
The term “contract research expenses” means 65 percent of any amount paid or incurred by the taxpayer to any person (other than an employee of the taxpayer) for qualified research.
If any contract research expenses paid or incurred during any taxable year are attributable to qualified research to be conducted after the close of such taxable year, such amount shall be treated as paid or incurred during the period during which the qualified research is conducted.
Subparagraph (A) shall be applied by substituting “75 percent” for “65 percent” with respect to amounts paid or incurred by the taxpayer to a qualified research consortium for qualified research on behalf of the taxpayer and 1 or more unrelated taxpayers. For purposes of the preceding sentence, all persons treated as a single employer under subsection (a) or (b) of section 52 shall be treated as related taxpayers.
The term “small business” means, with respect to any calendar year, any person if the annual average number of employees employed by such person during either of the 2 preceding calendar years was 500 or fewer. For purposes of the preceding sentence, a preceding calendar year may be taken into account only if the person was in existence throughout the year.
Rules similar to the rules of subparagraphs (B) and (D) of section 220(c)(4) shall apply for purposes of this clause.
For purposes of this subparagraph, the term “Federal laboratory” has the meaning given such term by section 4(6) of the Stevenson-Wydler Technology Innovation Act of 1980 (15 U.S.C. 3703(6)), as in effect on the date of the enactment of the Energy Tax Incentives Act of 2005.
In no event shall the base amount be less than 50 percent of the qualified research expenses for the credit year.
Except as otherwise provided in this paragraph, the fixed-base percentage is the percentage which the aggregate qualified research expenses of the taxpayer for taxable years beginning after
The Secretary may prescribe regulations providing that de minimis amounts of gross receipts and qualified research expenses shall be disregarded under clauses (i) and (ii).
In no event shall the fixed-base percentage exceed 16 percent.
The percentages determined under subparagraphs (A) and (B)(ii) shall be rounded to the nearest 1/100th of 1 percent.
At the election of the taxpayer, the credit determined under subsection (a)(1) shall be equal to 14 percent of so much of the qualified research expenses for the taxable year as exceeds 50 percent of the average qualified research expenses for the 3 taxable years preceding the taxable year for which the credit is being determined.
The credit under this paragraph shall be determined under this subparagraph if the taxpayer has no qualified research expenses in any one of the 3 taxable years preceding the taxable year for which the credit is being determined.
The credit determined under this subparagraph shall be equal to 6 percent of the qualified research expenses for the taxable year.
An election under this paragraph shall apply to the taxable year for which made and all succeeding taxable years unless revoked with the consent of the Secretary.
Notwithstanding whether the period for filing a claim for credit or refund has expired for any taxable year taken into account in determining the fixed-base percentage, the qualified research expenses taken into account in computing such percentage shall be determined on a basis consistent with the determination of qualified research expenses for the credit year.
The Secretary may prescribe regulations to prevent distortions in calculating a taxpayer’s qualified research expenses or gross receipts caused by a change in accounting methods used by such taxpayer between the current year and a year taken into account in computing such taxpayer’s fixed-base percentage.
For purposes of this subsection, gross receipts for any taxable year shall be reduced by returns and allowances made during the taxable year. In the case of a foreign corporation, there shall be taken into account only gross receipts which are effectively connected with the conduct of a trade or business within the United States, the Commonwealth of Puerto Rico, or any possession of the United States.
Paragraph (1) shall be applied separately with respect to each business component of the taxpayer.
Any plant process, machinery, or technique for commercial production of a business component shall be treated as a separate business component (and not as part of the business component being produced).
Research shall in no event be treated as conducted for a purpose described in this paragraph if it relates to style, taste, cosmetic, or seasonal design factors.
Any research conducted after the beginning of commercial production of the business component.
Any research related to the adaptation of an existing business component to a particular customer’s requirement or need.
Any research related to the reproduction of an existing business component (in whole or in part) from a physical examination of the business component itself or from plans, blueprints, detailed specifications, or publicly available information with respect to such business component.
Any research conducted outside the United States, the Commonwealth of Puerto Rico, or any possession of the United States.
Any research in the social sciences, arts, or humanities.
Any research to the extent funded by any grant, contract, or otherwise by another person (or governmental entity).
In the case of a qualified organization described in subparagraph (C) or (D) of paragraph (6), clause (ii) of subparagraph (A) shall not apply.
Except in the case of a taxpayer which was in existence during a taxable year (other than a short taxable year) in the base period, the minimum basic research amount for any base period shall not be less than 50 percent of the basic research payments for the taxable year for which a determination is being made under this subsection.
The cost-of-living adjustment for any calendar year is the cost-of-living adjustment for such calendar year determined under section 1(f)(3), by substituting “calendar year 1987” for “calendar year 2016” in subparagraph (A)(ii) thereof.
If the base period of any taxpayer does not end in 1983 or 1984, section 1(f)(3)(A)(ii) shall, for purposes of this paragraph, be applied by substituting the calendar year in which such base period ends for 2016. Such substitution shall be in lieu of the substitution under clause (i).
The term “base period” means the 3-taxable-year period ending with the taxable year immediately preceding the 1st taxable year of the taxpayer beginning after
Under regulations prescribed by the Secretary, rules similar to the rules of subsection (d) of section 52 shall apply.
In the case of partnerships, the credit shall be allocated among partners under regulations prescribed by the Secretary.
If a person acquires the major portion of either a trade or business or a separate unit of a trade or business (hereinafter in this paragraph referred to as the “acquired business”) of another person (hereinafter in this paragraph referred to as the “predecessor”), then the amount of qualified research expenses paid or incurred by the acquiring person during the measurement period shall be increased by the amount determined under clause (ii), and the gross receipts of the acquiring person for such period shall be increased by the amount determined under clause (iii).
The amount determined under this clause is the amount which would be determined under clause (ii) if “the gross receipts of” were substituted for “the qualified research expenses paid or incurred by” each place it appears in clauses (ii) and (iv).
For purposes of this subparagraph, the term “measurement period” means, with respect to the taxable year of the acquiring person for which the credit is determined, any period of the acquiring person preceding such taxable year which is taken into account for purposes of determining the credit for such year.
In the case of any short taxable year, qualified research expenses and gross receipts shall be annualized in such circumstances and under such methods as the Secretary may prescribe by regulation.
All persons treated as a single employer under subsection (a) or (b) of section 52 shall be treated as related persons for purposes of subparagraph (A)(iii) and as a single person for purposes of subparagraph (A)(iv).
For purposes of subsection (a)(3), amounts paid or incurred for any energy research conducted outside the United States, the Commonwealth of Puerto Rico, or any possession of the United States shall not be taken into account.
Any amount taken into account under subsection (a)(3) shall not be taken into account under paragraph (1) or (2) of subsection (a).
The term “energy research” does not include any research which is not qualified research.
At the election of a qualified small business for any taxable year, section 3111(f) shall apply to the payroll tax credit portion of the credit otherwise determined under subsection (a) for the taxable year and such portion shall not be treated (other than for purposes of section 280C) as a credit determined under subsection (a).
Such term shall not include an organization which is exempt from taxation under section 501.
The amount specified in any election made under this subsection shall not exceed $250,000.
In the case of taxable years beginning after
A person may not make an election under this subsection if such person (or any other person treated as a single taxpayer with such person under paragraph (5)(A)) has made an election under this subsection for 5 or more preceding taxable years.
In the case of a qualified small business which is a partnership or S corporation, the election made under this subsection shall be made at the entity level.
Except as provided in subparagraph (B), all persons or entities treated as a single taxpayer under subsection (f)(1) shall be treated as a single taxpayer for purposes of this subsection.