50 USC 2055 - Mandatory retirement

(a) Involuntary retirement 

(1) Authority of director.— 
The Director may, in the Directors discretion, place in a retired status any participant in the system described in paragraph (2).
(2) Paragraph (1) applies with respect to any participant who has not less than 10 years of service with the Agency and who
(A) has completed at least 25 years of service; or

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(B) is at least 50 years of age and has completed at least 20 years of service.
(b) Mandatory retirement for age 

(1) In general 
A participant in the system shall be automatically retired from the Agency
(A) upon reaching age 65, in the case of a participant in the system receiving compensation under the Senior Intelligence Service pay schedule at the rate of level 4 or above; and
(B) upon reaching age 60, in the case of any other participant in the system.
(2) Effective date of retirement 
Retirement under paragraph (1) shall be effective on the last day of the month in which the participant reaches the age applicable to that participant under that paragraph.
(3) Authority for extension 
In any case in which the Director determines it to be in the public interest, the Director may extend the mandatory retirement date for a participant under this subsection by a period of not to exceed 5 years.
(c) Retirement benefits 
A participant retired under this section shall receive retirement benefits in accordance with section 2031 of this title.