[1] On October 10, 2021, the SRO announced that Ozarks International Raceway would fill the vacancy in the schedule, pending FIA circuit homologation.
The round at Virginia International Raceway was also postponed one week to avoid a clash with the 2022 24 Hours of Le Mans.
[2] On April 27, 2022, the SRO announced that Ozarks round was replaced with NOLA Motorsports Park on the same date due to the challenges related with infrastructure and supply chain.
Entries are required to complete 75% of the winning car's race distance in order to be classified and earn points.
Individual drivers are required to participate for a minimum of 25 minutes in order to earn championship points.