1. To explain some document about visa extension to foreigners (visa student , marry visa, volunteer visa, business visa), transfer passport, lost passport including 90 days report and re-entry permit.
2. To return passport back to foreigner.
3. To help foreigner check some document that I know.
4. To answering the phone that asking some helps.
5. Save data of foreigners that come for visa extension.
6. Bring documents of foreigners to inspector.