28 U.S.C. § 1658

Time limitations on the commencement of civil actions arising under Acts of Congress

(a)

Except as otherwise provided by law, a civil action arising under an Act of Congress enacted after the date of the enactment of this section may not be commenced later than 4 years after the cause of action accrues.

(b)

Notwithstanding subsection (a), a private right of action that involves a claim of fraud, deceit, manipulation, or contrivance in contravention of a regulatory requirement concerning the securities laws, as defined in section 3(a)(47) of the Securities Exchange Act of 1934 ( 15 U.S.C. 78c(a)(47) ), may be brought not later than the earlier of—

(1)

2 years after the discovery of the facts constituting the violation; or

(2)

5 years after such violation.

(Added Pub. L. 101–650, title III, § 313(a) , Dec. 1, 1990 , 104 Stat. 5114 ; amended Pub. L. 107–204, title VIII, § 804(a) , July 30, 2002 , 116 Stat. 801 .)