; and (ii) may fulfill the service commitment of the PSC member described in subsection (e)(2)(D) through employment with any covered agency. (h) Failure To complete scholarship requirements (1) Liability for restitution in case of noncompletion or declination of employment A PSC member who does not complete the required course of instruction, fails to graduate in accordance with the terms of the Public Service Corps scholarship, or fails to complete the 4-year service commitment described in subsection (e)(2)(D) shall, subject to paragraph (2) of this subsection, repay the amount of the scholarship to the sponsoring agency. (2) Waiver of liability The Executive Director may, in extraordinary circumstances, waive some or all of the liability for the 4-year service commitment under subsection (d)(4)(B) or the requirements of paragraph (1) of this subsection. (i) Regulations The Director and the Executive Director shall jointly issue any regulations necessary to carry out this section. (j) Authorization of appropriations There are authorized to be appropriated such sums as may be necessary to carry out this section. 363. Public service academy grants (a) Definitions In this section: (1) Enrollment of needy students The term enrollment of needy students has the meaning given the term in section 312(d) of the Higher Education Act of 1965 ( 20 U.S.C. 1058(d) ). (2) Institution of higher education The term institution of higher education has the meaning given the term in section 101(a) of the Higher Education Act of 1965 ( 20 U.S.C. 1001(a) ). (3) Public service The term public service means civilian employment in the Federal Government or a State, local, or Tribal government in the United States. (4) Public service academy The term public service academy means a leadership development program at an institution of higher education that is designed to prepare students for public service through curricular, extracurricular, experiential learning, and internship programs. (5) Public service academy cost The term public