| 1684 | The Cing government opened Guangzhou, Fuzhou, Ningbo, and Shanghai ports for foreign trade. The head of Customs at the port of entry was superintendent. |
| 1854 | Chianghai Customs House was established in Shanghai, ushering in the era of new Customs systems. |
| 1859 | Englishman Horatio Nelson Lay was appointed first Inspector General of Customs by Governor General of the Liang Jiang Provinces. |
| 1863 | Customs House in Tamsui was established by the Inspectorate General of Customs. |
| 1868 | The Tonnage Collection Sub-section was established to take charge of the establishment and management of lighthouses and other aids to navigation. |
| 1896 | The Cing government ordered the Customs to establish postal services, which were transferred to the Postal and Communications Department in 1906. |
| 1929 | National Tariff Schedule was enacted and the Customs autonomy was recovered. |
| 1934 | Customs Anti-smuggling Act was enacted. |
| 1949 | Inspectorate General of Customs relocated in Taipei following the national government’s moving to Taiwan from mainland China. |
| 1989 | Adoption of the Harmonized Commodity Description and Coding System (HS). |
| 1991 | Statutes Governing the Organization of the Directorate General of Customs of the Ministry of Finance and Statues Governing Personnel Management of Directorate General of Customs of the Ministry of Finance were promulgated by the president. |
| 1992 | Cargo Clearance Automation system was implemented. |
| 1993 | Dual-channel (Red-Green Lane) Passenger Clearance System was adopted. |
| 1996 | Inauguration of the New Customs Building and the Customs Museum. |
| 2000 | Eight Customs preventive ships were transferred to the Coast Guard Administration. |
| 2001 | Kinmen and Matsu branch offices were established to carry out the clearance and preventive operations for the mini-three-links between the two sides of the Taiwan Strait. |
| 2008 | Inauguration of Customs Detector Dog Breeding and Training Center. |
| 2009 | Adoption of the Authorized Economic Operators (AEO) System |
| 2011 | Adoption of Mobile X-ray Container Inspection Machines to replace part of physical examination. |
| 2013 | The Customs Administration was established after the merger of the Directorate General of Customs and the Department of Customs Administration, Ministry of Finance, and the business regarding lighthouse was transferred to the Ministry of Transportation and Communications, in accordance with the government restructuring plan. |
| 2013 | Customs-Port-Trade (CPT) Single Window System was officially launched. |
| 2014 | In order to implement the commitment of tariff concession under ASTEP (Agreement between Singapore and the Separate Customs Territory of Taiwan, Penghu, Kinmen and Matsu on Economic Partnership), complementary revision was made to the Customs Import Tariff, which came into force on April 19, 2014. |
| 2015 | Advance Cargo Information System under the Ubiquitous Economy and Trade Network Plan was fully launched. |
| 2015 | To further Implement the Customs Cooperation Arrangement under Economic Cooperation Framework Agreement (ECFA) and expand the scope of cross-strait customs cooperation, the customs administrations on both sides of the Taiwan Strait began the interchange and experience-sharing on management of customs museums. |