d that the United States is not bound by state statutes of limitation or subject to the defense of laches in enforcing its rights. United States v. Summerlin, 310 U.S. 414, 416, 60 S. Ct. 1019, 1020 (1940). 5 EFTA00804510 16. Plaintiffs, on behalf of the Noteholders and Bondholders, assert this claim