Which of the following vehicles does not require a Safety Standards Certificate when sold?

When it comes to the requirement for a Safety Standards Certificate, a brand new vehicle does not need this certificate upon sale. The reasoning behind this is that brand new vehicles are already compliant with safety and emissions standards directly from the manufacturer. These vehicles have undergone rigorous testing and quality assurance processes to ensure they meet or exceed all safety regulations before they are sold to consumers.

In contrast, the other options involve vehicles that may have varying degrees of wear, modifications, or previous damages that could potentially affect their safety on the road. A salvage vehicle, for example, has sustained such significant damage that its safety may be questionable unless properly restored. A vehicle operating under a used vehicle permit may also have undergone significant wear and may not meet current safety standards. Non-motorized vehicles, while generally not requiring a traditional safety certificate, could be subject to other regulations depending on their type and use.

Thus, the absence of a Safety Standards Certificate requirement for a brand new vehicle aligns with the regulatory framework aimed at ensuring that only vehicles that are deemed safe and roadworthy need to provide such certification when sold.