Matters pertaining to mainland China, Hong Kong, and Macau in such areas as cross-strait policies, laws and regulations, economic, cultural, and educational exchanges, as well as the coordination of related civic issues and interagency affairs, are the remit of the Mainland Affairs Council.
Matters pertaining to immigration and border controls, new immigrants, foreign spouses (excluding interviews for resident visas for dependents), and applications for Alien Resident Certificates (excluding visa applications for travel to Taiwan) are the remit of the National Immigration Agency.
To avoid delays in the handling of any complaints, suggestions, or petitions you may wish to put forward concerning any of the above, please email them directly to either the Mainland Affairs Council or the National Immigration Agency accordingly.