Any action to enforce any cause of action under section 15, 15a, or 15c of this title shall be forever barred unless commenced within four years after the cause of action accrued. No cause of action barred under existing law on the effective date of this Act shall be revived by this Act.
REFERENCES IN TEXT The effective date of this Act, referred to in text, probably refers to the effective date of act July 7, 1955, ch. 283, 69 Stat. 282, which was six months after July 7, 1955. This Act, referred to in text, probably refers to act July 7, 1955.AMENDMENTS 1976—Pub. L. 94–435 substituted "section 15, 15a, or 15c" for "sections 15 or 15a".EFFECTIVE DATE Act July 7, 1955, ch. 283, §4, 69 Stat. 283, provided: "This Act [enacting this section and section 15a of this title, amending section 16 of this title, and repealing provisions set out as a note under section 15 of this title] shall take effect six months after its enactment [July 7, 1955]."
15 U.S.C. § 15b (2018)