Costs involving discrimination suits, etc.

Any deduction allowable under this chapter for attorney fees and court costs paid by, or on behalf of, the taxpayer in connection with any action involving a claim of unlawful discrimination (as defined in subsection (e)) or a claim of a violation of subchapter III of chapter 37 of title 31, United States Code, or a claim made under section 1862(b)(3)(A) of the Social Security Act ( 42 U.S.C. 1395y(b)(3)(A) ). The preceding sentence shall not apply to any deduction in excess of the amount includible in the taxpayer’s gross income for the taxable year on account of a judgment or settlement (whether by suit or agreement and whether as lump sum or periodic payments) resulting from such claim.