Page 83 Update: Change to the conditions of Summit Racing Equipment Sportsman Series Entry, uploaded 6 March 2020

Page 124-125 Update: Change to the class requirements for Super Stock, Modified Sedan (Engine), uploaded 5 March 2020

Page 126-127 Update: Change to the class requirements for Super Stock, Modified Sedan (Body, Fuel System, Instruments & Upholstery/Seats), uploaded 10 Feb 2020

Page 131-132 Update: Change to the class requirements for Super Stock, Modified Production (Body, Fuel System, Instruments & Upholstery/Seats), uploaded 10 Feb 2020

Page 18 Update: Change of the testing regulations prior to a Championship Event, uploaded 4 November 2019

Page 62-63 Update: Change to the Junior Competitor Licence Testing procedure, uploaded 16 October 2019

Page 70-71 Update: Change to the Junior Competitor Licence Testing procedure, uploaded 16 October 2019

Page 193 Update: Change to the Top Doorslammer transmission regulations, uploaded 1 October 2019

Page 142 Update: Correction of the E/APA weight break from maximum to minimum value, uploaded 31 July 2019

Page 90 Update: Correction of the value used in the Junior Dragster qualifying example, uploaded 18 July 2019