; and (B) if the student is eligible for financial aid under title IV, has completed the Free Application for Federal Student Aid or other common financial reporting form under section 483(a); and (C) meets any other requirements established by the institution. (4) Full-time academic workload The term full-time academic workload , when used with respect to a semester or equivalent term, means at least 12 credits (or the equivalent). (5) Institution of higher education The term institution of higher education has the meaning given the term under section 101. (6) Transfer rate The term transfer rate , when used with respect to students enrolled in a program of study at an eligible institution, means the rate at which such students transfer to a 4-year institution of higher education. 420BB. Authorization of appropriations There are authorized to be appropriated to carry out this subpart $1,000,000,000, to be available until expended for fiscal year 2019 and each of the 5 succeeding fiscal years. . B 4041. Termination of certain repayment plan options and opportunity to change repayment plans Section 428(b) of the Higher Education Act of 1965 ( 20 U.S.C. 1078(b) ) is amended— (1) in paragraph (1)— (A) in subparagraph (D)— (i) in clause (ii), by striking may annually change the selection of a repayment plan under this part, and inserting may at any time after July 1, 2019, change the selection of a repayment plan under this part to one of the 2 repayment plans described in paragraph (9)(C), ; and (ii) in clause (iii), by striking be subject to income contingent repayment in accordance with subsection (m); and inserting be subject to income-based repayment in accordance with section 493C(f); ; and (B) in subparagraph (E)(i), by striking the option of repaying the loan in accordance with a standard, graduated, income-sensitive, or extended repayment schedule (as described in paragraph (9)) established by the lender in accordance with regulations of the Secretary