They were suspended for a long time due to the corona pandemic, but they are back since May 1, 2023: China Airlines' free half-day tours for transit travelers in Taipei. These can now be reserved online again.
The Taiwan Tourism Bureau has announced that it will resume the Half-Day Free Tour for transit passengers campaign. Transit travelers with a stay of 7 to 24 hours can take part in the free half-day tours.
The program offers three tours for transit travelers, including morning "Discover Taipei", afternoon "Taiwanese natural beauty and traditional arts" and evening "Gourmet Tour", with English-speaking guides.