Length of assignment.
5 C.F.R. § 334.104
in effectEffective: 2024-07-01(a) The head of a Federal agency, or his or her designee, may make an assignment for up to 2 years, which may be extended for up to 2 more years if the parties agree.
(b) A Federal agency may not send an employee on an assignment if that person is a Federal employee and has participated in this program for more than a total of 6 years during his or her Federal career. OPM may waive this restriction upon the written request of the agency head, or his or her designee.
(c) A Federal agency may not send or receive an employee on an assignment if the employee has participated in this program for 4 continuous years without at least a 12-month return to duty with the organization from which the employee was originally assigned. Successive assignments with a break of no more than 60 calendar days will be regarded as continuous service under the mobility authority.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-5.xmlFetched: 7/26/2026
