As of today, the Mini 3 Pro does not have a C class marking. However, DJI has commented on this and said that the Mini 3 Pro was developed according to C0 standards. However, certification has not yet taken place. Until 31.12.23, drones without classification can still be operated according to the transition rules, after that only according to A3. It is quite possible that DJI will have completed certification by then and the drone will have received the C0. However, this is certainly your own risk when buying.