; (D) in paragraph (5)— (i) in subparagraph (A)— (I) by inserting hour after credit ; (II) by striking in the case of an institution on a quarter system, or 15 contact hours in the case of an institution on a semester system, ; and (III) by striking and at the end; (ii) by redesignating subparagraph (B) as subparagraph (C); and (iii) by inserting after subparagraph (A) the following: (B) shall be determined as one academic credit hour for every three continuing education program credits earned in the case of an institution on a semester system (which may be adjusted by the Secretary, if necessary, for institutions using academic periods other than semesters, such as trimesters or quarters); and