Code of Federal Regulations Title 5. Administrative Personnel § 5.302.403 Qualifications for promotion

(a) Requirements as to age, height, and weight unless the requirement is essential to the performance of the duties of the position;  and

(b) Physical requirements if, in the opinion of the agency, after considering the recommendation of an accredited physician, the preference eligible is physically able to perform efficiently the duties of the position for which the promotion is proposed.