1. For Safety Level 2, helmets meeting one of the following standards are acceptable and must be worn while on course:

A. Snell Foundation Standards with Snell sticker 2015 or later for Special Application (SA2025, SA2020, EA2016, SA2015).

B. SFI standards 31.1/2015, 31.1/2020

C. FIA standards 8859-2015, 8860-2010 or newer.

2. For drivers of any vehicle without a DOT-approved windshield (such as kit-cars, Sports Racers, Formula Cars and Specials) or any other vehicle with less than standard-sized windshield, helmets meeting these additional criteria are required:

A. Helmets must be full face.

B. A shield, preferably made of impact-resistant materials, shall be used while on course (conventional eyeglasses are not sufficient).