• United States Code
• TITLE 15 - COMMERCE AND TRADE
• CHAPTER 1 - MONOPOLIES AND COMBINATIONS IN RESTRAINT OF TRADE

      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.