income tax law), and a claim made or a payment received from American Samoa pursuant to a plan described in subsection (i)(3)(B) or section 24(k)(3)(B). (g) Reconciliation of credit and monthly advance child payments (1) In general The amount otherwise determined under subsection (a) with respect to any taxpayer for any taxable year shall be reduced (but not below zero) by the aggregate amount of payments made under section 7527B to such taxpayer for one or more calendar months in such taxable year. Any failure to so reduce the credit shall be treated as arising out of a mathematical or clerical error and assessed according to section 6213(b)(1). (2) Recapture of excess advance payments in certain circumstances In the case of a taxpayer described in paragraph (3) for any taxable year, the tax imposed by this chapter for such taxable year shall be increased by the excess (if any) of— (A) the aggregate amount of payments made to the taxpayer under section 7527B for one or more calendar months in such taxable year, over (B) the amount determined under subsection (a) with respect to the taxpayer for such taxable year (without regard to paragraph (1) of this subsection). (3) Taxpayers subject to recapture (A) Fraud or reckless or intentional disregard of rules and regulations A taxpayer is described in this paragraph with respect to any taxable year if the Secretary determines that the amount described in paragraph (2)(A) with respect to the taxpayer for such taxable year was determined on the basis of fraud or a reckless or intentional disregard of rules and regulations. (B) Understatement of income