How long is the inspection sticker valid once issued?

The inspection sticker is valid for 12 months once issued. This annual validity period ensures that vehicles are regularly inspected for safety and emissions compliance according to Pennsylvania state regulations. This routine inspection is crucial as it helps to ensure that vehicles on the road meet safety requirements and reduce the environmental impact of emissions. By having a standardized expiration period, vehicle owners are reminded of the necessity to maintain their vehicles in safe operating condition each year, promoting public safety and environmental responsibility.