Rules update for Q2 are now posted with changes as per the table below (changes are highighed in green in the posted rules).
BMW CCA Quarter 2, 2021 Rules Changes summary
| Section | Page | Paragraph | Summary |
| General Rules | 3 | Philosophy A. | Added Conflict of interest language |
| Racing Rules | 25 | Impound F.vi | Added language for mechanical failures and being cleared to return to the track |
| Racing Rules | 25 | Starting Grid Order 2.a.ii.1 | Add clarifying language for the qualifying race or fastest lap time. |
| Racing Rules | 25 | Starting Grid Order 2.a.ii.2 | Add clarifying language for the qualifying race or fastest lap time. |
| Racing Rules | 25 | Starting Grid Order 2.a.ii.3 | Add clarifying language for Comp Steward can change gridding method |
| Racing Rules | 25 | Starting Grid Order 2.a.iii. | Delete redundant section |
| Racing Rules | 33 | Rain Race E.1 | Added clarifying language for Rain Lights. |