PUBLIC LAWS-CH. 957-AUG. 13, 1946 Names of persons eligible for appoint- ment. Names of persons eligible for appoint- ment. Recommendation of class. Retirement. ASSIGNMENTS AND TRANSFERS SEC. 514. A Foreign Service officer, commissioned as a diplomatic or consular officer, may be assigned by the Secretary to serve in any diplomatic position other than that of chief of mission or in any con- sular position, and he may also be assigned to serve in any other capacity in which he is eligible to serve under the terms of this or any other Act. He may be transferred from one post to another by order of the Secretary as the interests of the Service may require. CITIZENSHIP RBQUIRMEN'TS SEC. 515. No person shall be eligible for appointment as a Foreign Service officer unless he is a citizen of the United States and has been such for at least ten years. ADMISSION TO CLASS 6 SEC. 516. No person shall be eligible for appointment as a Foreign Service officer of class 6 unless he has passed such written, oral, physi- cal, and other examinations as the Board of Examiners for the For- eign Service may prescribe to determine his fitness and aptitude for the work of the Service and has demonstrated his loyalty to the Gov- ernment of the United States and his attachment to the principles of the Constitution. The Secretary shall furnish the President with the names of those persons who have passed such examinations and are eligible for appointment as Foreign Service officers of class 6. ADMISSION TO CLASSES 1, 2, 3, 4 , AND 5 WITHOUT PRIOR SERVICE IN CLASS 6 SEC. 517. A person who has not served in class 6 shall not be eligible for appointment as a Foreign Service officer of classes 1 to 5, inclusive, unless he has passed such written, oral, physical, and other examina- tions as the Board of Examiners for the Foreign Service may prescribe to determine his fitness and aptitude for the work of the Service; demonstrated his loyalty to the Government of the United States and his attachment to the principles of the Constitution; and rendered at least four years of actual service immediately prior to appointment in a position of responsibility in the Service or in the Department or both? except that, if he has reached the age of thirty-one years, the requirement as to service may be reduced to three years. The Secre- tary shall furnish the President with the names of those persons who shall have passed such examinations and are eligible for appointment as Foreign Service officers of classes 1 to 5, inclusive. The Secretary shall, taking into consideration the age, qualifications, and experience of each candidate for appointment, recommend the class to which he shall be appointed in accordance with the provisions of this section. ADMISSION TO THE CLASS OF OAREER MINISTER SEC. 518. No person shall be eligible for appointment to the class of career minister who is not a Foreign Service officer. REA.SIGoNMXNT TO POBUGN SERVICE OF PORBMB AMBASSADOBS AND MINISTERS SEC. 519. If, within three months of the date of the termination of his services as chief of mission and of any period of authorized leave, a Foreign Service officer has not again been appointed or assigned as chief of mission or assigned in accordance with the pro- visions of section 514 he shall be retired from the Service and receive retirement benefits in accordance with the provisions of section 821. 1008 [60 STAT. Pow, p. l02 .