Providing incorrect details, mismatched passport information, errors in the form, or uploading an invalid photo.
Overstaying a visa-free or visa period, deportation, unauthorized employment, or other violations of entry rules to the South Korea.
Criminal history, involvement in prohibited organizations, or suspicion of unlawful activities.
If the stated purpose of travel is considered unclear, inconsistent, or unsupported (for example, discrepancies in itinerary or accommodation details).
Working directly with visa centers and consulates

















