# § 6280. Availability of funds
**(a)** **In General.—** Except as provided in subsection (b), amounts appropriated pursuant to a DOE national security authorization for operation and maintenance or for plant projects may, when so specified in an appropriations Act, remain available until expended.
**(b)** **Exception for Program Direction Funds.—** Amounts appropriated for program direction pursuant to a DOE national security authorization for a fiscal year shall remain available to be obligated only until the end of that fiscal year.
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**Source Credit**: (Added Pub. L. 119–60, div. C, title XXXI, § 3111(a), Dec. 18, 2025, 139 Stat. 1429.)
## Editorial Notes
### Prior Provisions
Provisions similar to those in this section were contained in , War and National Defense, prior to repeal by .