8 USC 1330 - Collection of penalties and expenses

(a) Notwithstanding any other provisions of this subchapter, the withholding or denial of clearance of or a lien upon any vessel or aircraft provided for in section 1221, 1224, 1253 (c)(2), 1281, 1283, 1284, 1285, 1286, 1321, 1322, or 1323 of this title shall not be regarded as the sole and exclusive means or remedy for the enforcement of payments of any fine, penalty or expenses imposed or incurred under such sections, but, in the discretion of the Attorney General, the amount thereof may be recovered by civil suit, in the name of the United States, from any person made liable under any of such sections.
(b) 
(1) There is established in the general fund of the Treasury a separate account which shall be known as the Immigration Enforcement Account. Notwithstanding any other section of this subchapter, there shall be deposited as offsetting receipts into the Immigration Enforcement Account amounts described in paragraph (2) to remain available until expended.
(2) The amounts described in this paragraph are the following:
(A) The increase in penalties collected resulting from the amendments made by sections 203(b) and 543(a) of the Immigration Act of 1990.
(B) Civil penalties collected under sections 1229c (d), 1324c, 1324d, and 1325 (b) of this title.
(3) 
(A) The Secretary of the Treasury shall refund out of the Immigration Enforcement Account to any appropriation the amount paid out of such appropriation for expenses incurred by the Attorney General for activities that enhance enforcement of provisions of this subchapter. Such activities include
(i) the identification, investigation, apprehension, detention, and removal of criminal aliens;
(ii) the maintenance and updating of a system to identify and track criminal aliens, deportable aliens, inadmissible aliens, and aliens illegally entering the United States; and
(iii) for the repair, maintenance, or construction on the United States border, in areas experiencing high levels of apprehensions of illegal aliens, of structures to deter illegal entry into the United States.
(B) The amounts which are required to be refunded under subparagraph (A) shall be refunded at least quarterly on the basis of estimates made by the Attorney General of the expenses referred to in subparagraph (A). Proper adjustments shall be made in the amounts subsequently refunded under subparagraph (A) to the extent prior estimates were in excess of, or less than, the amount required to be refunded under subparagraph (A).
(C) The amounts required to be refunded from the Immigration Enforcement Account for fiscal year 1996 and thereafter shall be refunded in accordance with estimates made in the budget request of the Attorney General for those fiscal years. Any proposed changes in the amounts designated in such budget requests shall only be made after notification to the Committees on Appropriations of the House of Representatives and the Senate in accordance with section 605 of Public Law 104134.
(D) The Attorney General shall prepare and submit annually to the Congress statements of financial condition of the Immigration Enforcement Account, including beginning account balance, revenues, withdrawals, and ending account balance and projection for the ensuing fiscal year.