DBA／商業名稱

DBA/Tradename

If the Subject Identity Information is to include a DBA or tradename, the CA SHALL verify the Applicant’s right to use the DBA/tradename using at least one of the following:

若主體識別資訊（Subject Identity Information）包含 DBA 或商業名稱，憑證機構（Certification Authority，CA）應（SHALL）透過以下至少一種方法，驗證申請者（Applicant）具有使用該 DBA／商業名稱之權利：

1. Documentation provided by, or communication with, a government agency in the jurisdiction of the Applicant’s legal creation, existence, or recognition;

1. 申請者合法設立、存續或獲得認許之所在地主管機關所提供的文件或與該機關通訊往來之紀錄；

2. A Reliable Data Source;

2. 可靠資料來源（Reliable Data Source）；

3. Communication with a government agency responsible for the management of such DBAs or trade names;

3. 與負責管理 DBA 或商業名稱之主管機關進行通訊往來；

4. An Attestation Letter accompanied by documentary support; or

4. 檢附證明文件的證明信函（Attestation Letter）；或

5. A utility bill, bank statement, credit card statement, government-issued tax document, or other form of identification that the CA determines to be reliable.

5. 公用事業費用帳單（如水電瓦斯費）、銀行對帳單、信用卡帳單、政府核發之稅務證明文件，或其他經 CA 認定為可靠的身分證明文件。