Bulletin 09-01 All P-1, GT-1 and GT-2 Technical regulations coincide with the ACO's. P-2 wing and weight different along with some Sporting Regulations.
Bulletin # 09-02 Engine Sealing Procedure
Bulletin # 09-03 GT-2 Class Adjustments.
Bulletin # 09-04 P-2 Class Adjustments.
Bulletin # 09-05 P-1 Class Adjustments.
Bulletin # 09-06 Rescinds Bulletin # 09-02, Engine Sealing Procedure.
Bulletin # 09-07 Driver log changes.
Bulletin # 09-08 ALMS Supplemental Regulations update.
Bulletin # 09-09 P-1 & GT-2 class adjustments.
Bulletin # 09-10 Patrón GT-3 (ALMS Challenge) rules for joining grid
Bulletin # 09-11 Post LB class adjustments
Bulletin # 09-12 Call this the Patrón Highcroft Rule: SSR adjustments
Bulletin # 09-13 Challange Class 50% rule
Bulletin # 09-14 Points update for Road America
Bulletin # 09-15 pre-LRP Class Adjustments
Bulletin # 09-16 Pit wall exception for LRP & Mid O.
Bulletin # 09-17 post-LRP Class adjustment restictor
Bulletin # 09-18 post-LRP Class adjustment weight
Bulletin # 09-19 Mid Ohio tire revision
Bulletin # 09-20 White Flag clarification
Bulletin # 09-21 ALMS Challenge Schedule
Bulletin # 09-22 New Wave-by/Pacecar procedures
Bulletin # 09-23 pre-Petit class adjustments
Bulletin # 09-24 Rescinds part of #9-23 (Judd/AIM)
Bulletin # 09-25 Fuel: Bio Butanol