There are three categories of competition in the AACA award system. The different categories are further explained in the following paragraphs. Junior vehicles compete only with other Junior vehicles. The plaque remains with the vehicle upon change of ownership. AACA Senior vehicles are eligible to win only one Senior trophy, commonly called the Duryea trophy.
Senior vehicles compete only with other Senior vehicles.
The Senior Tab must be returned to the Vice President-Senior Car Awards upon change of ownership. The Senior Tab was introduced to identify those vehicles eligible to compete in the Preservation category. There has been a procedure established to enable Senior winners, prior to 1979, to obtain a Senior Tab. At subsequent National Meets, Senior vehicles that have won the Preservation award plaque and score 350 or more, will be awarded an additional wheel tab. Each tab will be engraved as outlined above.