20 USC 1087kk - Amount of need
Except as otherwise provided therein, the amount of need of any student for financial assistance under this subchapter and part C of subchapter I of chapter 34 of title 42 (except subparts[1] 1 or 2 of part A of this subchapter) is equal to
(1) the cost of attendance of such student, minus
(2) the expected family contribution for such student, minus
[1] So in original. Probably should be “subpart”.