; or (B) demonstrates an ability to meet the accreditation requirements for orthotic and prosthetic education from the National Commission on Orthotic and Prosthetic Education in cooperation with the Commission on Accreditation of Allied Health Education Programs if the institution receives a grant under this section. (2) The term veteran has the meaning given that term in section 101 of title 38, United States Code. (e) Authorization of appropriations (1) In general There is authorized to be appropriated for fiscal year 2018 for the Department of Veterans Affairs, $15,000,000 to carry out this section. The amount so authorized to be appropriated shall remain available for obligation until September 30, 2020. (2) Unobligated amounts to be returned to the treasury Any amounts authorized to be appropriated by paragraph (1) that are not obligated by the Secretary as of September 30, 2020, shall be returned to the Treasury of the United States. 3. Center of Excellence in Orthotic and Prosthetic Education (a) Grant for establishment of center (1) In general The Secretary of Veterans Affairs shall award a grant to an eligible institution to enable the eligible institution— (A) to establish the Center of Excellence in Orthotic and Prosthetic Education (in this section referred to as the Center ); and (B) to enable the eligible institution to improve orthotic and prosthetic outcomes for veterans, members of the Armed Forces, and civilians by conducting evidence-based research on— (i) the knowledge, skills, and training most needed by clinical professionals in the field of orthotics and prosthetics