An agreement to arbitrate a matter to which this subchapter applies is enforceable pursuant to section 4 of title 9, and no action brought to enforce such an agreement shall be dismissed nor shall relief therein be denied on the grounds that it is against the United States or that the United States is an indispensable party.
5 U.S. Code § 576 - Enforcement of arbitration agreements
Section 576 of former Title 5, Executive Departments and Government Officers and Employees, was transferred to section 2260 of Title 7, Agriculture, and subsequently repealed by Pub. L. 107–171, title X, § 10418(a)(3), May 13, 2002, 116 Stat. 507.