The Customs Administration, Ministry of Finance (CA; Chinese: 財政部關務署; pinyin: Cáizhèngbù Guānwushǔ), headquartered in Taipei, is the agency of the Ministry of Finance of Taiwan (ROC) dealing with customs policies and regulations in Taiwan.

Republic of China is not a Member of World Customs Organization but ROC has signed reciprocal customs agreements with ten Customs authorities in the world as of 2022.

[2] CA was originally established in 1854 as Inspectorate General of Customs.

On 3 February 1991, it was renamed to Directorate General of Customs and finally on 1 January 2013, it was renamed to Customs Administration.

The CA headquarter office is accessible within walking distance North West from Taipei Railway Station.