50% reduction on the road tax for cars over twenty years old, as long as they are of historical interest and in possession of a Certificate of Historical and Collectible Relevance from the ASI, Storico Lancia, Italian FIAT, Italian Alfa Romeo, Storico FMI registers. Necessary documents: 1) the original registration certificate or a legible front / back copy; 2) the Crs (Certificate of historical relevance) in copy in all its parts; 3) identity document of the holder; 4) tax code of the holder; 5) possible delegation of the holder if the request is submitted by a different person. The request to obtain the coupon can also be made independently. To the aforementioned documents, two payments must be added to be made by postal order: 1) one of the amount of 10.20 euros to the 9001 current account in the name of the Land Transport Department; 2) one for the amount of 16.00 euros on the current account 4028 in the name of the Land Transport Department. The bulletins can be collected at the Offices of the Civil Motorization together with the Mod. TT2119 which must be filled in. Completed model and paid bulletins must be presented to the Motorization Offices for the issue of the Historic Vehicle Certification coupon. Opening hours of the Siena Civil Motorization Via delle Regioni 70 Monday from 8.30 to 12.00; Tuesday from 8.30 to 12.00 and from 15.00 to 16.00; Wednesday from 8.30 to 12.00; Thursday from 8.30 to 12.00; Friday from 8.30 to 12.00; The practice can also be carried out through the Automotive Practices Agency by bringing the documentation referred to in points 1-2-3-4-5