What is the format of the VTS site number mentioned on test certificates?

The VTS site number format varies depending on the source and testing organisation. It can typically be found on your MOT certificate or on a refusal of test certificate document. This number is crucial for identifying the specific testing location where your vehicle was assessed. Here are some common formats to expect:

1. **5-digit Number**: A straightforward numerical code, often used by smaller testing facilities.
2. **Six-digit ID (4 Numbers + 2 Letters)**: This format combines numeric and alphabetic characters for more detailed identification.
3. **Seven-digit ID (1 Letter + 6 Numbers)**: A hybrid approach with a letter followed by six digits, providing both unique site identification and location context.

Understanding the specific format on your certificate is essential to correctly interpret the VTS site number and its implications for vehicle testing regulations.