Fan Info - INDYCAR 101 - Rulebook - Rulebook Preface

Download Updated Rulebook: 2019 NTT IndyCar Series Rulebook (Full)

IMPORTANT: The rulebook content below was released to all parties on March 1, 2019, and should be considered UNOFFICIAL. No in-season amendments or bulletins are reflected in the below copy. Please refer to the above PDF link for the updated rulebook.


INDYCAR is the preeminent sanctioning body of open wheel racing in North America and functions with the purpose to promote the sport of automobile racing.  As such, INDYCAR develops safety and competition regulations which are set forth in this book as it applies to the NTT IndyCar Series.

All INDYCAR Members, as well as every other person participating or involved in any way in the NTT IndyCar Series, shall be bound by these Rules, as amended, supplemented or superseded from time to time and shall be responsible for compliance.  It is recommended that you read this Rule Book carefully to assure your familiarity with the rules and regulations contained herein.

Further information may be obtained by contacting the INDYCAR offices at 4551 West 16th Street, Indianapolis, IN 46222, Telephone (317) 492-6526, and