Any person who is determined to be ineligible for program benefits under section
3821 of this title for any crop year shall not be ineligible for such program benefits under such section for any subsequent crop year if, prior to the beginning of such subsequent crop year, the person has fully restored the characteristics of the converted wetland to its prior wetland state or has otherwise mitigated for the loss of wetland values, as determined by the Secretary, through the restoration, enhancement, or creation of wetland values in the same general area of the local watershed as the converted wetland.