30 U.S.C. § 1755

Statute of limitations

Except in the case of fraud, any action to recover penalties under this chapter shall be barred unless the action is commenced within 6 years after the date of the act or omission which is the basis for the action.

( Pub. L. 97–451, title III, § 307 , Jan. 12, 1983 , 96 Stat. 2462 .)