BoP Lab / Rules

Rule changes by class

From SCCA Fastrack News: technical bulletins (the changes made) and committee minutes (every letter considered and what was decided).

Classes in the rulebook

From the 2026-09 GCR. Editions read: 2023-01 to 2026-09 (43).

FORMULA: FA, FC, FE (regional), FE2, FV, FF, F6, FX, FS (regional), FST (regional)
GRAND TOURING: GT1, GT2, GT3 (regional), GTL (regional), GTA (regional), GTX
IMPROVED TOURING: ITR (regional), ITS (regional), ITA (regional), ITB (regional), ITC (regional)
SUPER TOURING: STU, STL
PRODUCTION: EP, FP, HP
SEDAN: AS
SPEC MIATA: SM, SMX
SPORTS RACING: ASR (regional), P, P2, SRF (regional), SRF3, PE (regional), SR1 & SR3 (regional), RSR (regional)
TOURING: T1, T2, T3, T4, ET (regional)
B-SPEC and C-SPEC: B-Spec, C-Spec (regional)

2026-05 RSR (Rush) added as a regional class in SPORTS RACING
2026-03 GT3U (GT-3U) combined into STU, removed from GRAND TOURING (letter #39862)
2025-01 GT3U (GT-3U) added in GRAND TOURING
2025-01 P1 (Prototype 1) became P (Prototype)
2025-01 GT3 (GT-3) became a regional-only class
2024-12 ET (Electric Touring) added as a regional class in TOURING
2024-12 SR1 & SR3 (Radical) added as a regional class in SPORTS RACING
2024-12 GTL (GT-Lite) became a regional-only class
2023-12 PE (Prototype Electric) added as a regional class in SPORTS RACING
2023-12 SMX (Spec MX-5) added in SPEC MIATA
2023-05 C-Spec (C-Spec) added as a regional class in B-SPEC
2023-05 T5 (Touring 5) removed from TOURING
2023-04 T5 (Touring 5) became a regional-only class