Singapore legislation
Regulation 41
of Civil Aviation Authority of Singapore (Changi Airport) By-laws 2009
Regulation 41
Compliance with approved standards and operating procedures
Subregulation 1
No person shall drive, or employ or permit another person to drive, any vehicle within the airside unless the person driving the vehicle has been properly trained and certified to meet the standards approved by the airport licensee for driving within the airside.
Subregulation 2
Every person driving any vehicle or operating any equipment within the airside must be familiar with and shall comply with the standard operating procedures approved by the airport licensee.