Here's Tax related websites:
- Taxation Agency, Ministry of Finance
http://www.dot.gov.tw
- eTax Portal, Ministry of Finance
http://www.etax.nat.gov.tw
- National Taxation Bureau of Taipei, M.O.F.
http://www.ntbt.gov.tw
- National Taxation Bureau of Kaohsiung, M.O.F.
http://www.ntbk.gov.tw
- National Taxation Bureau of the Northern Area, M.O.F.
http://www.ntbna.gov.tw
- National Taxation Bureau of the Central Area, M.O.F.
http://www.ntbca.gov.tw
- National Taxation Bureau of the Southern Area, M.O.F.
http://www.ntbsa.gov.tw
- Revenue Service Office, Taipei City
http://www.tpctax.gov.tw
- Revenue Service East District Office,Kaohsiung City
https://www.khtb.gov.tw
- Revenue Service West District Office, Kaohsiung City
http://www.kctax.gov.tw
- Revenue Service Office, New Taipei City
http://www.tax-en.ntpc.gov.tw