Yes, you are required to sign a service agreement for appointment or transfer CONUS or OCONUS, renewal agreement travel, or assignment under GETA. The minimum periods of service are:
(a) Within CONUS for a period of service of not less than 12 months following the effective date of your appointment or transfer;
(b) OCONUS for an agreed upon period of service of not more than 36 months or less than 12 months following the effective date of your appointment or transfer;
(c) Department of Defense Overseas Dependent School System teachers for a period of not less than one school year as determined under chapter 25 of Title 20, United States Code;
(d) For renewal agreement travel, a period of not less than 12 months from the date of return to the same or different overseas official station; and
(e) For assignment under GETA, not less than three times the length of the training period as prescribed by the head of your agency.
[86 FR 73680, Dec. 28, 2021]