This chapter is intended to supplement State law, and compliance with this chapter shall not excuse any person from compliance with appropriate State law and regulation.

The Secretary may deny a certificate of registration to any farm labor contractor, as defined in this chapter, who has a judgment outstanding against him under the Farm Labor Contractor Registration Act of 1963 (7 U.S.C. 2041 et seq.), or is subject to a final order of the Secretary under that Act assessing a civil money penalty which has not been paid. Any findings under the Farm Labor Contractor Registration Act of 1963 may also be applicable to determinations of willful and knowing violations under this chapter.