The Ministry of Foreign Affairs is responsible for Taiwan visas, whether processed through Taiwan embassies and consulates, Taipei Economic and Cultural Offices or overseas representative offices.
The National Immigration Agency of the Ministry of the Interior is responsible for immigration and naturalization services for foreign nationals, Mainland China nationals and citizens of Hong Kong SAR and Macau SAR.
The Workforce Development Agency (WDA) of the Ministry of Labor of the Executive Yuan is responsible for processing and issuing work permits.