; minus (3) other financial assistance not received under this title (as defined in section 480(j)). (b) Effective date of changes The amendments made to this title under the Student Aid Improvement Act of 2019 shall take effect beginning with award year 2021–2022. The amounts provided under such amendments for award year 2020–2021 shall be used solely as a base to determine adjustments for subsequent award years. . (2) Maximum aid under part D Section 451 ( 20 U.S.C. 1087a ) is amended by adding at the end the following: (c) Maximum aid The maximum dollar amount of financial assistance provided under this part to a student shall not exceed the cost of attendance for such student. . (b) Student aid index Section 473 ( 20 U.S.C. 1087mm ) is amended to read as follows: 473. Student aid index (a) In general For the purpose of this title, other than subpart 1 or 2 of part A, the term student aid index means, with respect to a student, an index that reflects an evaluation of a student’s approximate financial resources to contribute toward the student’s postsecondary education for the academic year, as determined in accordance with this part. (b) Special rule for students eligible for the total maximum pell grant The Secretary shall consider an applicant to automatically have a student aid index equal to zero if the applicant is eligible for the total maximum Federal Pell Grant under subpart 1 of part A, except if the applicant has a calculated student aid index of less than zero the Secretary shall consider the negative number as the student aid index for the applicant. (c) Special rule for nonfilers For an applicant (or, as applicable, an applicant and spouse, or an applicant’s parents) not required filed a Federal tax return for the applicable tax year, the Secretary shall for the purposes of this title consider the student aid index as equal to −$1,500 for the applicant. (d) Special rule for recipients of means-Tested benefits For an applicant (including the student, the student’s parent, or the student’s spouse,