; and (B) to the extent that insufficient amounts are made available in any fiscal year to carry out all programs authorized under this title, the Secretary shall give priority to fully funding the program under this subpart. (b) Distribution of grants to law enforcement candidates Payments under this subpart shall be made, in accordance with regulations promulgated by the Secretary for such purpose, in such manner as will best accomplish the purposes of this subpart. (c) Reductions in amount (1) Part-time students In any case where a law enforcement candidate attends an eligible institution on less than a full-time basis (including a law enforcement candidate who attends an eligible institution on less than a half-time basis) during any year, the amount of a grant under this subpart for which that law enforcement candidate is eligible shall be reduced in proportion to the degree to which that law enforcement candidate is not attending on a full-time basis, in accordance with a schedule of reductions established by the Secretary for the purposes of this subpart, computed in accordance with this subpart. Such schedule of reductions shall be established by regulation and published in the Federal Register in accordance with section 482 of this Act. (2) No exceeding cost The amount of a grant awarded under this subpart, in combination with Federal student assistance and other student assistance the law enforcement candidate may receive, shall not exceed the cost of attendance (as defined in section 472) at the eligible institution at which that law enforcement candidate is in attendance. (d) Period of eligibility for grants (1) In general The period during which a student may receive grants under this subpart shall be the period required for the completion of the first associate or baccalaureate course of study related to law enforcement or criminal justice being pursued by the law enforcement candidate at the eligible institution at which the law enforcement candidate is in attendance, except that— (A) any period