Import duty payment deadlines updated; late payment attracts government-fixed interest published in the Official Gazette under Customs law. Amendment prescribes payment of import duty on presentation of the bill of entry for self-assessment, within one day (excluding holidays) when the bill is returned after assessment, reassessment or provisional assessment, or on a due date as specified by rules for deferred payment; failure to pay within the time attracts interest on unpaid or short-paid duty until payment, at a government-fixed rate notified in the Official Gazette, with a minimum and maximum percentage limit.