Section 370.104 - Length of details(a) Details may be for a period of between 3 months and 1 year, and may be extended in 3-month increments for a total of not more than 1 additional year, in accordance with 5 U.S.C. 3702(d) .(b) Agencies may not approve or extend details after December 17, 2007. An individual serving on a detail prior to this date may continue to do so as long as the detail began or was extended on or before December 17, 2007.(c) For the life of the ITEP, a Federal agency may not send on assignment an employee who has served on a detail under this part for more than 6 years during his or her Federal career. OPM may waive this provision upon request of the agency head, or his or her designee.