Required Documents 

1. Taxpayer's identity card (ID card)
2. If taxpayer authorizes agent to apply for enquiries about assessment data on Estate Tax, the documents 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, the applicant or agent shall guarantee that the copy is consistent with the original and retain the copy for future reference.
3. In case the donator is dead, the heir shall provide donator Household Deregistration Transcript or death diagnosis certificate. If the heir were not the spouse or heir of the first order of inheritance, the proof of the relationship between heir(s) and decedent, heir system table stamped by applicant shall be provided. (These documents are retained for archive)