; and (2) in subparagraph (B)— (A) by redesignating clause (ii) as clause (iii); and (B) by striking clause (i) and inserting the following: (i) In general The amount determined under this subparagraph for a fiscal year is an amount equal to the sum of the adjusted historic expenditures for the fiscal year with respect to each State in which a service area of the Indian tribe is located. (ii) Adjusted historic expenditures defined In clause (i), the term adjusted historic expenditures means, with respect to a fiscal year, a State, and an Indian tribe, the total amount of the Federal payments to the State under section 403 (as then in effect) for fiscal year 1994 attributable to expenditures (other than child care expenditures) by the State under parts A and F (as so in effect) for fiscal year 1994 for Indian families residing in the service areas identified by the tribe pursuant to subsection (b)(1)(C) of this section that are in the State, increased by the percentage (if any) by which the amount of the grant payable under section 403(a)(1) for the fiscal year to the State exceeds the amount of the grant so payable to the State for fiscal year 2010. . (f) Census bureau study Section 414 ( 42 U.S.C. 614 ) is amended— (1) by striking subsection (a) and inserting the following: (a) In general The Director of the Bureau of the Census shall conduct a study to assess the effects of policies and programs related to low-income families, including policies and programs under State programs funded under this part or funded with qualified State expenditures (as defined in section 409(a)(7)(B)(i)), including changes and policies in such programs made pursuant to the Rewriting to Improve and Secure an Exit Out of Poverty Act. The Director shall design the study in consultation with the Secretary. Every 5 years, the Director shall, in consultation with the Secretary, revise the content and nature of the study to reflect emerging policy issues related to low-income families.