Temporary duty assignment

U.S. Government Employee duty status designation

Temporary duty travel, also sometimes referred to as Temporary Additional Duty (TAD) in the US Navy and US Marine Corps, is a duty status designation reflecting a US Government Employee's official travel or assignment at a location other than the employee's permanent duty station. This type of secondment is usually of relatively short duration, typically from two to 189 days in length. Various Departments and Agencies within the US Federal Government have differing regulations governing the authorizations, allowances, and processing of TDY personnel. For Example, the Department of Defense uses the Joint Travel Regulations, while the Department of State and other foreign affairs agencies use the guidance in the Foreign Affairs Manual.

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