Enforcement Rules of the Overseas Compatriot Identity Certification Act Article 20

For the issuance of Overseas Compatriot Identity Certificate or Overseas Compatriot Identity Endorsement, the competent authority can access the computer systems of the MOI and MOFA to obtain the following information about the applicant:1.Nationality Change Information from the MOI;2.Household registration information from the MOI;3.Entry and exit information from National Immigration Agency, MOI;4.Passport information from the BOCA, MOFA.
中文原文 華僑身分證明條例施行細則第20條
主管機關為辦理華僑身分證明書核發或僑居身分加簽事項,得經由連線內政部及外交部電腦系統取得申請人下列資料:
一、內政部之國籍變更資料。
二、內政部之戶籍資料。
三、內政部移民署之入出國資料。
四、外交部領事事務局之護照資料。

English translation for reference only; the Chinese text prevails. Not legal advice.