10 U.S.C. § 3551
Multiyear procurement authority: purchase of dinitrogen tetroxide, hydrazine, and hydrazine-related products
(a) Ten-Year Contract Period.—
The Secretary of Defense may enter into a contract for a period of up to 10 years for the purchase of dinitrogen tetroxide, hydrazine, and hydrazine-related products for the support of a United States national security program or a United States space program.
(b) Extensions.—
A contract entered into for more than one year under the authority of subsection (a) may be extended for a total of not more than 10 years pursuant to any option or options set forth in the contract.
(Added Pub. L. 107–314, div. A, title VIII, § 826(a) , Dec. 2, 2002 , 116 Stat. 2617 , § 2410 o ; renumbered § 3551, Pub. L. 116–283, div. A, title XVIII, § 1822(e)(2) , formerly § 1822(t)(2), Jan. 1, 2021 , 134 Stat. 4205 , renumbered Pub. L. 117–81, div. A, title XVII, § 1701(k)(4) , Dec. 27, 2021 , 135 Stat. 2144 .)