# § 10103. Basic policy for order into Federal service
Whenever Congress determines that more units and organizations are needed for the national security than are in the regular components of the ground and air forces, the Army National Guard of the United States and the Air National Guard of the United States, or such parts of them as are needed, together with units of other reserve components necessary for a balanced force, shall be ordered to active duty and retained as long as so needed.
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**Source Credit**: (Added Pub. L. 103–337, div. A, title XVI, § 1661(a)(1), Oct. 5, 1994, 108 Stat. 2970; amended Pub. L. 104–106, div. A, title XV, § 1501(b)(2)(A), Feb. 10, 1996, 110 Stat. 495.)
## Editorial Notes
### Prior Provisions
Provisions similar to those in this section were contained in , prior to repeal by .
### Amendments
1996— substituted “into Federal service” for “of the National Guard and reserve components to active duty” in section catchline.
## Statutory Notes and Related Subsidiaries
### Effective Date of 1996 Amendment
Amendment by effective as if included in the Reserve Officer Personnel Management Act, title XVI of , as enacted on , see , set out as a note under .
### Effective Date
Section effective , except as otherwise provided, see , set out as a note under .
### Ordering Ready Reserve to Active Duty During National Emergencies
For additional provisions authorizing ordering of Ready Reserve to active duty during national emergencies, see and notes thereunder.