; and (B) the number of hours reported under subsection (b)(1)(B) for such enrolled 4-year-old for the school year beginning in such year (not to exceed 1,600). (d) Adjustments to payments (1) Reconciliation of payment For each State pre-kindergarten agency for a year: (A) Overpayment If the amount awarded under subsection (a) is greater than the amount described in paragraph (1) of subsection (c), the amount to be awarded under subsection (a) for the following year shall be reduced by the difference between such amounts. (B) Underpayment If the amount awarded under subsection (a) is less than the amount described in paragraph (1) of subsection (c), not later than December 31 of such year, from amounts in the Early Education Trust Fund established by section 3, the Secretary shall award to such State pre-kindergarten agency the difference between such amounts, subject to paragraph (2). (2) Insufficient funds If, as of a date, the amounts available to be awarded on such date from the Early Education Trust Fund are less than the amounts to be awarded on such date under this section without regard to this paragraph, the Secretary shall ratably reduce the amounts to be awarded. (e) Definitions In this section: (1) Enrolled 4-year-old The term enrolled 4-year-old means, with respect to a year, an individual who, as of October 1 of such year— (A) is 4 years old; and (B) is enrolled at a pre-kindergarten program for at least 900 hours for the school year beginning in such year. (2) Pre-kindergarten program The term pre-kindergarten program means a program that is— (A) offered by a nonprofit or governmental entity; (B) designed to provide pre-kindergarten education for at least 900 hours during a school year