26 U.S.C. § 6401 - U.S. Code - Unannotated Title 26. Internal Revenue Code § 6401. Amounts treated as overpayments

(1) In general.--If the amount allowable as credits under subpart C of part IV of subchapter A of chapter 1 (relating to refundable credits) exceeds the tax imposed by subtitle A (reduced by the credits allowable under subparts A, B, D, and G of such part IV), the amount of such excess shall be considered an overpayment.

(2) Special rule for credit under section 33.--For purposes of paragraph (1), any credit allowed under section 33 (relating to withholding of tax on nonresident aliens and on foreign corporations) for any taxable year shall be treated as a credit allowable under subpart C of part IV of subchapter A of chapter 1 only if an election under subsection (g) or (h) of section 6013 is in effect for such taxable year. The preceding sentence shall not apply to any credit so allowed by reason of section 1446.