
Official ID:
Authorised cross-boundary-service hire cars must display a green label like this one at the front windscreen from February 1.

Official ID:
Authorised cross-boundary-service hire cars must display a yellow label like this one at the rear of the vehicle from February 1.
Cross-boundary hire-car labels set
January 30, 2012
The Hong Kong and Guangdong governments have agreed to require cross-boundary service hire cars to display special labels from February 1, the Transport Department announced today.
A green and a yellow label ,with the wording “Cross Boundary Hire Car" in Chinese and English, and a serial number, should be displayed on the windscreen and the rear of the vehicle.
Passengers who intend to use a cross-boundary hire-car service between the Mainland and Hong Kong should use authorised cars bearing the labels.