When you encounter problems you can solicit assistance of customer service. Or, you can dial 0800-080-117 for the Interior Ministry CA Customer Service. For details on service, refer to following departments and telephone numbers.

1. Transportation and Communication Ministry Electronic Highway Monitoring website: http://www.mvdis.gov.tw/, Customer Service Tel: 0800-080-412
2. Finance Ministry Personal Comprehensive Income Tax Filing website: http://tax.nat.gov.tw/ Customer Service Tel: 0800-086-188
3. Interior Ministry Land Administration Online Application Service website: http://clir.hinet.net/ Customer Service Tel: 0800-080-212
4. Economic Affairs Ministry Corporate Online Application System website: http://eicm.moea.gov.tw/index.jsp Customer Service Tel: 0800-080-518
5. Labor Insurance Bureau Farmers and Labor Insurance Internet Application System website: http://202.39.225.21/ Customer Service Tel: 02-2396-1266 ext 2495
6. Household Registration Administration Internet Application Service website: http://www.ris.gov.tw/ , Email: moi5490@moi.gov.tw
7. ChungHwa Telecom e-Counter website: http://123.cht.com.tw/ Customer Service Tel: 0800-080-412
8. Interior Affairs Ministry Construction Administration Building Public Safety Inspection Internet Application System website: http://cpabm.cpami.gov.tw/PKIIndexPage.jsp?sysid=BMC02&pagetype=BMCF1，System Query Tel: 02-8771-3258 ext 113
9. Finance Ministry General Customs Duty Office Air Cargo Internet Customs Filing website: http://www.customs.gov.tw/ Customer Service Tel: 02-2550-8160
10. Finance Ministry 1988 Taxation Instant Messaging website: http://1988.nat.gov.tw/ Customer Service Tel: 02-2659-0368 or Dial Direct: 1988
11. Immigration/Emigration Administration----Query on Restrictions on Overseas Travel website: http://nas.immigration.gov.tw/ Customer Service Tel: 02-2389-9983
12. ChungHwa Postal Correspondence Address Removal Notice Service website: http://amiwb.post.gov.tw/ Customer Service Tel: 0800-700-365
13. Executive Yuan National Science Council website: http://web.nsc.gov.tw/ Customer Service Tel: 02-2737-7992
14. Taipei City Government---Taipei Citizens e-Service (Online Application Services System) website: http://www.e-services.taipei.gov.tw/ Customer Service Email Address: services@mail.taipei.gov.tw
15. Taipei County Government---Citizen Service Online Application Service System website: https://e-service.tpc.gov.tw/ Customer Service Tel: 02-2960-3456
16. I-Lang County Government---Global Information website: http://www.e-land.gov.tw Customer Service Tel: 03-925-1000
17. Examination Yuan Credentials Online Application and Payment System website: http://cerapp.exam.gov.tw/cer/apply/proj_right/p_login_2.aspx Customer Service Tel: 02-8236-6257
18. Government Employee Property Reporting website: https://pds.tradevan.com.tw/ Customer Service Tel: 02-2655-1928
19. Executive Yuan Environmental Vehicle Disposal Resources Recovery Center website: http://car.ideasoft.com.tw/ Customer Service Tel: 02-2370-5888 or 0800-085-717
20. Foreign Professionals Work Permit Application Supplementary System website: http://www3.evta.gov.tw/webwcf/index.aspx Foreign Laborers Voice Mail Query Tel: 02-8590-2255
21. Vocational Training Information Management Network website: http://tims.etraining.gov.tw/ Vocation Training Bureau Service Center Tel: 02-8590-2567
22. Taipei City Government Taxation Bureau Online Application website: http://210.241.91.216/etax/ Click “Contact Us” to the left of the web page for online query.

(1) Enter your initial PIN code if you have not yet changed it. Your initial PIN code is formed by six digits, representing respectively the year, month and day of birth. For instance, if your birth falls on 15 March 66 (ROC Calendar), your PIN code would be 660315. (2) If you have changed your PIN code using Alphabetic and Alphanumeric characters, you must pay attention to the lower and upper cases. If your keyboard is locked to upper cases, it could cause PIN code errors. (3) You must set your PIN with a minimum of six characters and a maximum of eight characters. More or less characters would fail your system and displays PIN code error message. (4) If you still have PIN code setting or input problems after entering and reconfirming your PIN code, please dial direct: 0800080-117 for customer service.

If the IC card shows the subscriber name but cannot display it while viewing its contents, this happens when the name of certain subscriber contains difficult characters that the system does not recognize. This will not affect use of the certificate on the internet. You are advised to check whether you can carry out the application services on applicable websites and that the certificate can be used in a normal way. If the certificate can be used in most cases but cannot use in certain application service, please check customer service of the various service units, or dial our toll free number 0800-080-117 for customer service.

After entering your ID card number and PIN code and normally logged in, it shows there is no problem with your certificate and you must not freely revoke your certificate. However, if your online application service does not work properly after successful login, please record fully the error messages and dial customer service telephone or Interior Ministry CA customer service: 0800-080-117.