[Code of Federal Regulations] [Title 5, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 5CFR334.104] [Page 225] TITLE 5--ADMINISTRATIVE PERSONNEL CHAPTER I--OFFICE OF PERSONNEL MANAGEMENT PART 334_TEMPORARY ASSIGNMENTS UNDER THE INTERGOVERNMENTAL PERSONNEL ACT (IPA)--Table of Contents Sec. 334.104 Length of assignment. (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.