21.26—Eligibility; assistant grade.
(a) Requirements; all candidates.
Except as otherwise provided in this section every candidate for examination for appointment in the grade of assistant:
(1)
Shall meet the requirements for eligibility for examination for appointment in the grade of junior assistant;
(2)
Shall be at least 21 years of age; and
(3)
Shall have had at least 7 years of educational and professional training or experience subsequent to high school, except that a candidate who applies for examination for appointment in the Reserve Corps to serve as a medical or dental intern may be examined for such appointment upon the completion of 6 years of such education, training, or experience.
(b) Additional requirements; dietitians.
Every candidate for examination for appointment as a dietitian shall have successfully completed an approved training course for dietetic interns.