All **trailers and semi-trailers** must have a **technical inspection card (ITV)**. This is mandatory to ensure they are in good condition to circulate. The technical inspection card is a document that certifies that the vehicle has passed the necessary inspections.

- **Initial and subsequent inspections:** Trailers must undergo their first inspection after one year of use. After that, they must be inspected annually until they are 10 years old, and every 6 months after 10 years. Towed caravans have a different schedule, starting at 6 years and then every 2 years.

- **Inspection sticker:** Once the trailer passes the inspection, a sticker is placed in a visible location on the trailer or semi-trailer. This sticker indicates that the vehicle has passed the inspection and when the next one should be carried out.

Therefore, all trailers and semi-trailers, without exception, must have their technical inspection card up to date.