These Regulations are enacted pursuant to paragraph 3 of Article 10 of the Customs Act (hereinafter referred to as “the Act”)

For the purpose of these Regulations, the following terms shall be understood as:
(1) through-Customs value-added network: a value-added network established pursuant to Regulations on Operating Permit and Administration for Customs Clearance Network, which connects with Customs-Port-Trade Single Window (hereinafter referred to as “CPT Single Window”) and provides services for transmitting cargo clearance information by way of electronic data transmission.
(2) computer online transmission: the transmission of clearance electronic data or messages by way of using computer mainframes, personal computers, computer terminals or other interfacing equipment of trade-related agencies, institutions, traders, or individuals to connect with CPT Single Window via internet instead of the use of paper documentation.
(3) electronic data transmission: the transmission or exchange of clearance electronic data among computers or other interfacing equipment of trade-related agencies, institutions, traders, or individuals through CPT Single Window via a through-Customs value-added network instead of the use of paper documentation.
(4) online agencies: the administrative authorities or institutions they entrusted, which are connecting with a through-Customs value-added network or CPT Single Window and entitled to carry out online processing of licensing, quarantine, commodity inspection, Customs clearance procedures, commercial ports, foreign currency exchange or other trade management matters related to the importation or exportation of cargoes.
(5) online financial institutions: the institutions which are connecting with a through-Customs value-added network or CPT Single Window, and entrusted by their clients or appointed by the Ministry of Finance to carry out online operations of collecting or transferring duty and charges, bonds, or other fees.
(6) online traders: the businesses engaged in Customs brokerage, forwarder, transportation, warehousing, container distribution, or import and export, or any individuals or other stakeholders, who submit the data by way of computer online transmission or electronic data transmission instead of the use of paper documentation.
(7) offline traders: businesses and individuals, or their representatives, who do not submit the data by way of computer online transmission or electronic data transmission instead of the use of paper documentation.
(8) online Customs clearance procedures: the import, export ,transshipment or transit Customs procedures cleared through computer online transmission or electronic data transmission in standard data exchange formats.
(9) online declarations: electronic declarations, applications, payment statements or other reports made by online traders in online Customs clearance procedures pursuant to Customs legislation.
(10) online determinations: electronic messages of the issuance or revision of duty memos or permits, notice of submitting supporting documentations required, cargoes examination or release or other determinations made by Customs in response to online declarations pursuant to Customs legislation, which are transmitted via CPT Single Window.
(11) online payment (electronic fund transfer): payment of the duty and charges, bond, or other fees due by way of electronic fund transfer, from the account of the responsible online trader opened at a contracted online financial institution to the National Treasury account. Such way of payment shall be noted in the “duty treatment” column of the Customs declaration while making an online declaration.
(12) online switching service provider: a business providing message switching service between a through-Customs value-added network and its clients for carrying out online Customs clearance procedures. The message switching operations shall be carried out according to the technical guidelines publicized by that value-added network.

Cargo clearance procedures carried out through computer online processing or electronic data transmission shall be governed by these Regulations. For matters not provided for in these Regulations, the relevant provisions prescribed in other laws and regulations shall apply.

For data declared online to Customs and, as provided for in Article 10 of the Act, needed to have a record on Customs mainframe, Customs may entrust the operator of a through-Customs value-added network or CPT Single Window to do so on its behalf.
Where necessary, Customs may, in addition to the preceding paragraph, entrusts the operator of a through-Customs value-added network or CPT Single Window to deal with other matters relating to the implementation of automated cargo clearance procedures.