PA State Safety & Emissions Test in Philadelphia.
If you live in Philadelphia, PA and surrounding counties your vehicle is required to have an annual PA State Safety Inspection and also Emissions Test performed. These test are conducted by licensed Technicians, who perform these tests for the State of PA. When having your vehicle inspected current registration and proof of insurance is needed, showing your registration and proof of insurance electronically is sufficient (on a tablet or a phone) also keep in mind you are allowed to have your vehicle 2 months in advance and receive the same expiration month. For example if your inspection is due in September 2018, it can be performed in July and you would still receive September 2019 stickers.
Click this link if you need to renew your vehicle registration.