RTO, the quote is not part of a SOP but a regulation and it's part of OM A. Let's start with comparing apples with apples. SOPs don't tell you to wear a uniform either but OM A does. In the end why do we need all those rules and regs. and SOPs if we all simply use common sense and act responsibly. Statistics prove otherwise. 70% of accidents are due to human failure. Go figure.