; and (E) by inserting after paragraph (5), the following: (6) Enrollment data from the prior-prior academic year shall be used. . (b) Authorization of appropriations (1) In general The Tribally Controlled Colleges and Universities Assistance Act of 1978 ( 25 U.S.C. 1801 et seq.) is amended by inserting after section 2 ( 25 U.S.C. 1801 ), the following: 3. Authorization of appropriations (a) (1) There are authorized to be appropriated to carry out sections 105, 107, 112(b), and 113 such sums as may be necessary for fiscal year 2021 and each of the five succeeding fiscal years. (2) Funds appropriated pursuant to the authorization under paragraph (1) shall be transferred by the Secretary of the Treasury through the most expeditious method available, with each of the tribally controlled colleges or universities being designated as its own certifying agency. (b) There are authorized to be appropriated to carry out title III such sums as may be necessary for fiscal year 2021 and each of the five succeeding fiscal years. Any funds appropriated pursuant to this subsection are authorized to remain available until expended. (c) There are authorized to be appropriated to carry out titles IV and V such sums as may be necessary for fiscal year 2021 and each of the five succeeding fiscal years. (d) (1) For the purpose of affording adequate notice of funding available under this Act, amounts appropriated in an appropriation Act for any fiscal year to carry out this Act shall become available for obligation on July 1 of that fiscal year and shall remain available until September 30 of the succeeding fiscal year. (2) In order to effect a transition to the forward funding method of timing appropriation action described in paragraph (1), there are authorized to be appropriated, in an appropriation Act or Acts for the same fiscal year, two separate appropriations to carry out this Act, the first of which shall not be subject to paragraph (1). . (2) Conforming amendments (A) Section 110 of the Tribally Controlled Colleges and