; and (B) are approved by the Secretary as part of the review and acceptance of such application. 728. Authorization of appropriations There is authorized to be appropriated to carry out this subpart $30,000,000 for fiscal year 2021 and each of the 5 succeeding fiscal years. 6 Graduate Opportunities at Tribal Colleges and Universities 729. Grant program established (a) In general Subject to the availability of funds appropriated to carry out this subpart, the Secretary shall award grants, on a competitive basis, to eligible institutions to enable the eligible institutions to carry out the activities described in section 730. (b) Award of grant funds Of the funds appropriated to carry out this subpart for a fiscal year, the Secretary— (1) shall reserve— (A) not less than one-third of such funds to award grants to carry out the activities described in section 730(b); and (B) not less than one-third of such funds to award grants to carry out the activities described in section 730(c)