; and (B) a court may not prohibit such an employee from pursuing other causes of action giving rise to liability in a civil action. . VI General provisions 601. Authorization of appropriations There are authorized to be appropriated such sums as are necessary to carry out this Act and the amendments made by this Act. 602. Supplemental appropriation In any month in which the number of unaccompanied children referred to the Department of Health and Human Services pursuant to section 462 of the Homeland Security Act of 2002 ( 6 U.S.C. 279 ) and section 235 of the William Wilberforce Trafficking Victims Protection Reauthorization Act of 2008 ( 8 U.S.C. 1232 ) exceeds 10,000, as determined by the Secretary of Health and Human Services, an additional $30,000,000, to remain available until expended, shall be made available for obligation for every 500 unaccompanied children above that level (including a pro rata amount for any increment less than 500), for carrying out such sections 462 and 235 and the activities authorized by this Act and the amendments made by this Act.