REGULATORY AUDIT PROCEDURES.

SEC. 382. REGULATORY AUDIT PROCEDURES. Section 509(b) of the Tariff Act of 1930 (19 U.S.C. 1509(b)) is amended by adding at the end the following: “(6)(A) If during the course of any audit concluded under this subsection, the Customs Service identifies overpayments of duties or fees or over-declarations of quantities or values that are within the time period and scope of the audit that the Customs Service has defined, then in calculating the loss of revenue or monetary penalties under section 592, the Customs Service shall treat the overpayments or over-declarations on finally liquidated entries as an offset to any underpayments or underdeclarations also identified on finally liquidated entries, if such overpayments or over-declarations were not made by the person being audited for the purpose of violating any provision of law. “(B) Nothing in this paragraph shall be construed to authorize a refund not otherwise authorized under section 520.”.