Title 10 › Subtitle Subtitle E— Reserve Components › Part II— PERSONNEL GENERALLY › Chapter 1209— ACTIVE DUTY › § 12304b
Gives the Secretary of a military department the power to order any unit of the Selected Reserve to active duty without the members’ consent for up to 365 days when needed for a planned mission supporting a combatant command. Such orders can only happen if the manpower and cost are clearly listed in the defense budget materials for the year(s) involved and the budget shows the mission and expected involuntary length; if the President’s budget arrives after April 1 before the mobilization year, the Secretary can send that budget information to Congress separately. No more than 60,000 reservists may be on active duty under this rule at one time. Members ordered this way do not count toward authorized active-duty strength totals. When a unit is ordered, the Secretary must send Congress a written report explaining why and how the unit will be used. The Secretary can end the service by order, or it can end by law. The War Powers Resolution still applies. When picking units, officials must consider prior service, how often someone has been called up, family needs, and jobs vital to public safety or interest. Each military department must make procedures to follow, and those procedures need the Secretary of Defense’s approval. “Selected Reserve” and “defense budget materials” are terms defined elsewhere in law.
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Armed Forces — Source: USLM XML via OLRC
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Reference
Citation
10 U.S.C. § 12304b
Title 10 — Armed Forces
Last Updated
Apr 3, 2026
Release point: 119-73not60