Is it obligatory to install parking lights on a vehicle that also has Extremity (width) side lights?

1. Yes, the side lights have a different color and cannot replace the parking lights.
2. Yes, parking lights should be installed on all vehicles, regardless of side lights.
3. Correct answer: No.
4. Yes, it is obligatory - in case the side lights malfunction.

WhyIf a vehicle has width marker lights, parking lights are not required. The marker lights replace them.