Customs Act Article 65

I. In the case where there is shortage/excess of duty collection or refund, Customs, upon discovery, shall notify the duty-payer to pay or return the difference, or claim the over-collected/refundable amount. The duty-payer may also take initiative to apply for the payment or refunding.II.The payment or refunding refer to in the preceding paragraph shall be made within one year. In the case of shortage/excess of duty collection, the time period shall be beginning following the date on which the duty was paid. In case of shortage/excess of refund, the time period shall be beginning following the date on which the duty refund notice was issued.III.The shortage payable or refund receivable referred to in Paragraph 1 shall be collected or refunded together with the interest payable for the period beginning from the date following that on which the duty was paid, or following that on which the time limit for the duty payment expired, or following that on which the duty refund notice was issued by Customs, up to the date on which the shortage is paid or refund is received, calculated on a daily basis according to the annual interest rate of one-year fixed savings in Postal Savings which is effective on the date on which the duty is either due or paid.IV.The duty-payer shall pay the shortage duty or excess refund and the calculated interest in accordance with the preceding paragraph within fourteen days following the date of receiving the notice from Customs. In the case of delinquent payment made prior to the expiration of the time limit, a belated surcharge shall be levied at the rate of 0.05 percent of the total amount of customs duty unpaid per day, commencing on the date following that on which the prescribed duty payment period expired up to the date on which the outstanding amount of duty is liquidated in full.