Sentence:  In addition to the penalties provided in title 18 , United States Code , section 1001 , any person guilty of any act , as provided therein , with respect to any matter under this Title , shall forfeit all rights under this Title , and , if payment shall have been made or granted , the Commission shall take such action as may be <WSD>necessary</WSD> to recover the same . 
Meaning of the word marked with <WSD> tags:  absolutely essential