In this section, the term “actual injury” includes the loss of interest at commercial rates compounded from the date of injury.

If the complaint was filed within the period specified in section 41301(a) of this title, the Federal Maritime Commission shall direct the payment of reparations to the complainant for actual injury caused by a violation of this part.

On a showing that the injury was caused by an activity prohibited by section subsection 1 (b) or (c) of section 41102, paragraph (3) or (6) of section 41104(a), or paragraph (1) or (3) of section 41105, the Commission may order the payment of additional amounts, but the total recovery of a complainant may not exceed twice the amount of the actual injury.

If the injury was caused by an activity prohibited by subparagraph (A) or (B) of section 41104(a)(4), the amount of the injury shall be the difference between the rate paid by the injured shipper and the most favorable rate paid by another shipper.

In any action brought under section 41301, the prevailing party may be awarded reasonable attorney fees.