- https://www.freeway.gov.tw/POM/POMailBoxInfo.aspx
- niec@taitra.org.tw
- niec2@taitra.org.tw
- 8a-ipc@mail.taipei.gov.tw
- Taipei Office: No.15, Sec. 1, Hangzhou S. Rd., Zhongzheng Dist., Taipei 100024, Taiwan
- Chunghsing Office:8, Kuanghua Rd., Chunghsing New Vil., Nantou City, Nantou County 540206, Taiwan