Documents you need to show：

1. Identity card (ID card) or Household Registration Certificate for taxpayer is a ROC citizen.
2. Passport or Resident Certificate for taxpayer is a foreigner.
3. In the case that the taxpayer is the people of Mainland China area, document verified should be the Travel Pass or Resident Certificate for the Taiwan area issued by National Immigration Agency, ROC.
4. In the case that the agent is appointed to apply for Issuance of Certificate for Exemption from Withholding Tax on Savings, document required shall be the Letter of Mandate/Delegation and agent’s Identity Card (ID card). If the applicant’s ID provided by agent is a copy, applicant or agent shall guarantee that the copy is consistent with the original and retain the copy for future reference.
5. Applying for issuance of Certificate for Exemption from Withholding Tax on Savings shall bring the used one.