How often should the motor vehicle inspection compliance label be replaced?

[Scott]

Replacement intervals for motor vehicle inspection compliance labels: 1. For passenger transport vehicles under 5 years old, the label should be replaced annually; for those over 5 years old, every 6 months; 2. For small and micro non-commercial passenger vehicles under 6 years old, the label should be replaced every 2 years; for those over 6 years old, annually; 3. For motorcycles under 4 years old, the label should be replaced every 2 years; for those over 4 years old, annually; 4. For trucks and large/medium non-commercial passenger vehicles under 10 years old, the label should be replaced annually; for those over 10 years old, every 6 months; 5. For tractors and other motor vehicles, the label should be replaced annually.