The 7 USD is the Police processing fee for a copy of the PCC..........you only need to add 1 USD for each additional copy of PCC you request..........don't know how long it takes for the Police department to complete the PCC processing for oversea applications.
When you mail your application to Taiwan Police.......you need to
Include the fee and a self-addressed return registered mail envelope with your application.
Refer....
Information and documents you need:
- For Foreign Nationals: Copy of the passport, the Alien Resident Certificate (ARC) (if they are/were ARC holders) or other documents for verification.
- If the English version is needed, please present one copy of passport (including the page with English name).
- To apply from outside Taiwan via mail:
Provide one completed application form with a copy of the passport or an Alien Resident Certificate that is authenticated or notarized by ROC embassies or consulates, Straits Exchange Foundation or other relevant notary public abroad. Include the fee and a self-addressed return registered mail envelope to:
Foreign Affairs Division,
Taipei City Police Department
No. 96, Yanping S. Rd., Zhongzheng Dist.,
Taipei 10042, Taiwan (R.O.C.)