; or (ii) the date the participant meets any applicable licensure or certification requirements. (E) Treatment of part-time students The Secretary shall specify the service commencement date for participants who were part-time students, which shall include terms as similar as practicable to the terms set forth in subparagraphs (B) through (D). (F) Service during course of education or training A participant may serve the period of obligated service of the participant, or any portion of such period of obligated service, during the period in which the participant is enrolled as a student in a course of education or training under subsection (b)(3) if the participant is employed in a position described in subparagraph (A) of such subsection. (G) Service following licensure or ongoing training With respect to a participant who is licensed but may enter a residency or similar training program, the Secretary may adjust the beginning of the period of obligated service of the participant to begin following completion of the residency or similar training program. (H) Course completion date defined In this section, the term course completion date means the date on which a participant under this section completes the course of education or training of the participant under this section. (d) Liability for breach of agreement (1) Liability during course of education or training (A) In general Except as provided in paragraph (3), a participant under this section shall be liable to the United States for the amount that has been paid to or on behalf of the participant under the agreement under subsection (c)(1) if any of the following occurs: (i) The participant fails to maintain an acceptable level of academic standing in the educational institution in which the participant is enrolled (as determined by the educational institution pursuant to direction by the Secretary). (ii) The participant is dismissed from such educational institution for disciplinary reasons. (iii) The participant voluntarily terminates the course of