How often should a private car over 10 years old undergo an annual inspection?

[StAngela]

Private cars over 10 years old but not exceeding 15 years must undergo an annual inspection once a year; those over 15 years old must be inspected every 6 months. Below is the relevant information: 1. According to vehicle inspection regulations: Small and micro non-operational passenger vehicles must be inspected once every 2 years within the first 6 years; after 6 years, once a year; and after 15 years, every 6 months. 2. Specific measurement items: For private cars, the internal and external contour dimensions, wheelbase, axle track, vehicle length, width, height, cargo compartment sideboard height and area, wheelbase, axle track, unladen mass, load capacity, passenger capacity, and driver's compartment seating capacity, among others.