Pub. L. 89-329, tit. V, pt. C, sec. 527
fellowship conditions
fellowship conditions Sec. 527. A person awarded a fellowship under the provisions of this part shall continue to receive the payments provided in section 525(a) only during such periods as the Commissioner finds that he is maintaining satisfactory proficiency and devoting full time to study or research in the field in which such fellowship was awarded in an institution of higher education, and is not engaging in gainful employment other than such part-time employment in teaching, research, or similar activities related to his training as has been approved by the Commissioner.