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How do I know when to do periodical inspection?

Department of Environmental Protection prints motorcycle exhaust periodic inspection notices and mails them to vehicle owners. After receiving the notice, vehicle owners may perform exhaust periodic inspection according to the deadline on the notice. If a vehicle owner does not receive the notice, he/she may check the motorcycle's vehicle registration, and bring the vehicle and vehicle registration to motorcycle exhaust inspection stations authorized by the local Department of Environmental Protection on one month before or after the original date of issuing vehicle registration.