this is what is posted from the link @SpeedThrills provided.
HELMET
For all 10.00 to 13.99 closed-bodied cars, either an open-faceor a full-face Snell: M2015, M2020, SA2015, SA2020, SFI:31.1/2015, 31.1/2020, FIA: 8860-2010, 8859-2015, 8859-2024or 8860-2018 helmet with or without a shield is mandatory.