| Rules
and Regulations |
 2012 Version of the IMSA Code - Final |
|
2012 Version of the American Le Mans Series Presented by Patrón Rules - Final |
| 2012 Testing Registration Form - click here to fill out form online or click here to download the pdf version |
| 2012 Battery Tender Mechanic of the Year Information and Entry Form |
| Email questions concerning rules and technical regulations |
|
2011 LMPC Tire Purchasing Notes |
|
2011 ACO Regulations Appendix A, B, and C |
|
2011 ACO Regulations for Grand Touring Cars |
|
2011 ACO Regulations for Prototype (P1 and P2) |
|
2011 ACO Sporting Regulations - updated 1/16/11 |
|
2011 ACO Supplementary Regulations |
|
2011 Le Mans Entry Form |
|
ACO
Bulletin #2006-01 |
| 2012 Bulletins |
| Competitor Bulletin #12-01: Adjustment of Performance - Superseded by Competitor Bulletin #12-18 |
| Competitor Bulletin #12-02: In-Car Cameras |
| Competitor Bulletin #12-03: Updated Driver Rating Information |
| Competitor Bulletin #12-04: Official Fuel Supplier |
| Competitor Bulletin #12-05: PC Class Technical Regulation Update |
| Competitor Bulletin #12-06: Adjustment of Performance Update |
| Competitor Bulletin #12-07: PC Class Regulation Update |
| Competitor Bulletin #12-08: Tire Marking Update |
| Competitor Bulletin #12-09: Long Beach Paddock Regulations - Rev 3/22/2012 |
| Competitor Bulletin #12-10: Post Sebring Adjustment of Performance |
| Competitor Bulletin #12-11: Sporting Regulations Update⁄Clarification |
| Competitor Bulletin #12-12: Mazda Raceway Laguna Seca Paddock Load In Schedule |
| Competitor Bulletin #12-13: Post Long Beach Adjustment of Performance - corrected |
| Competitor Bulletin #12-14: Mazda Raceway Laguna Seca Paddock and Pit Lane Logistics |
| Competitor Bulletin #12-15: Qualifying Regulations Update⁄Clarification |
| Competitor Bulletin #12-16: Pit Lane Start |
| Competitor Bulletin #12-17: Tire Usage |
| Competitor Bulletin #12-18: Adjustment of Performance |
| Competitor Bulletin #12-19: Limerock Pit Lane |
| Competitor Bulletin #12-20: GT Ground Clearance |
| Competitor Bulletin #12-21: P2 PC GTC Silver Bronze Participation |
| Competitor Bulletin #12-22: Drive Time Red Flag |
| Competitor Bulletin #12-23: Pit Lane Start Revised |
| Competitor Bulletin #12-24: Mid-Ohio Paddock Regulations V2 |
| Competitor Bulletin #12-25: Mid Ohio Pit Wall |
| Competitor Bulletin #12-26: Qualifying Segments |
| Competitor Bulletin #12-27: Adjustment of Performance |
| Competitor Bulletin #12-28: Road America Paddock Regulations |
| Competitor Bulletin #12-29: Road America Pit Lane Fence - Gates |
| Competitor Bulletin #12-30: Baltimore Grand Prix Paddock Regulations |
| Competitor Bulletin #12-31: Adjustment of Performance |
| Competitor Bulletin #12-32: Team Points |
| Competitor Bulletin #12-33: Adjustment of Performance*Revised 10/16/2012 |
| IMSA Memo 12-01: Driver Rating Information |
| IMSA Memo 12-02: Driver, Team Manager and Crew Chief Briefing Location Change |
| IMSA Memo 12-03: VIR Open Test |
| IMSA Memo 12-04: Decal and Logo Placement Reminder |
| IMSA Memo 12-05: Fire Extinguisher Training at MRLS |
| IMSA Memo 12-06: GTC Promoter Test Day Participation |
| IMSA Memo 12-08: ImPact Testing |
| IMSA NOTICE 12-01: Driver Probation |
| IMSA NOTICE 12-02: Driver Probation |
| 2011 Bulletins |
| Competitor Bulletin #11-01: Adjustment of Performance for E10 and E85 fuels |
| Competitor Bulletin #11-02: Mandatory ImPact Testing of Drivers |
| Competitor Bulletin #11-03: Sebring LMPC Gear Ratio Update |
| Competitor Bulletin #11-04: Safety Apparel Update |
| Competitor Bulletin #11-05: Sebring Technical and Sporting updates |
| Competitor Bulletin #11-06: ALMS Regulations Updates and Required Decal Placement |
| Competitor Bulletin #11-07: Post Sebring Adjustment of Performance |
| Competitor Bulletin #11-08: Long Beach Paddock Regulations |
| Competitor Bulletin #11-09: Long Beach Technical and Sporting Updates |
| Competitor Bulletin #11-10: Baltimore Grand Prix Paddock Regulations |
| Competitor Bulletin #11-11: Adjustment of Performance - Technical Updates |
| Competitor Bulletin #11-12: Lime Rock Pit Lane |
| Competitor Bulletin #11-13: Lime Rock Event Competition Update |
| Competitor Bulletin #11-14: Post LRP Adjustment of Performance |
| Competitor Bulletin #11-15: Multiple Regulations Updates |
| Competitor Bulletin #11-16: Mosport Pit Lane |
| Competitor Bulletin #11-17: Pre Mid-Ohio Adjustment of Performance and Technical Updates |
| Competitor Bulletin #11-18: Mid-Ohio Paddock Regulations |
| Competitor Bulletin #11-19: Technical Regulations Update |
| Competitor Bulletin #11-19 Attachment |
| Competitor Bulletin #11-20: LMP2 Points and Awards |
| Competitor Bulletin #11-21: Road Atlanta Entry Selection |
| Competitor Bulletin #11-22: Mid-Ohio Pit Wall |
| Competitor Bulletin #11-23: Post Mid-Ohio Adjustment of Performance |
| Competitor Bulletin #11-24: Baltimore Paddock Regulations |
| Competitor Bulletin #11-25: Road America Maximum Drive Time |
| Competitor Bulletin #11-26: Adjustment of Performance |
| Competitor Bulletin #11-27: Adjustment of Performance |
| Competitor Bulletin #11-28: Mazda Raceway Laguna Seca Paddock Regulations |
| Competitor Bulletin #11-29: GTC Adjustment of Performance |
| Competitor Bulletin #11-30: Petit Le Mans Technical and Sporting Specifications |
| Competitor Bulletin #11-31: Adjustment of Performance |
| Competitor Bulletin #11-32: Tire Marking Clarification |
| Competitor Bulletin #11-33: ACO Data Logger Update and Clarification - Correction |
| Competitor Bulletin #11-34: Adjustment of Performance—Clarification |
| Competitor Memorandum #11-01: 2011 Pre-Season Regulations Preview |
| Competitor Memorandum #11-02: Additional Pre-Season Updates |
| Competitor Memorandum #11-03: Additional Driver Rating Information |
| Competitor Memorandum #11-04: American Le Mans Series Entry Deadlines |
| Competitor Memorandum #11-05: Sebring 12 Hour Paddock and Pit Lane Restrictions |
| Competitor Memorandum #11-06: rules@imsaracing.net Information |
| Competitor Memorandum #11-07: Paddock Parking Procedures |
| Competitor Memorandum #11-10: Baltimore Grand Prix Track Walk |
| Competitor Memorandum #11-11: ImPACT Testing Reminder |
| 2010 Bulletins |
| Competitor Bulletin #10-01: Technical Specifications, 2010 |
| Competitor Bulletin #10-02: Transporter Decal Requirements |
| Competitor Bulletin #10-03: Sebring SR Update – Drive Time Requirements |
| Competitor Bulletin #10-04: GTC Technical Regulations Update |
| Competitor Bulletin #10-05: Sebring LMPC Gear Ratio Update |
| Competitor Bulletin #10-06: Approved Fuels Update - Revised |
| Competitor Bulletin #10-07: Sebring Rules Update |
| Competitor Bulletin #10-08: ACO-IMSA Regulation Updates |
| Competitor Bulletin #10-09: Long Beach Paddock Regulations |
| Competitor Bulletin #10-10: Post Sebring Class Adjustments |
| Competitor Bulletin #10-11: Drive Time Rule Revision |
| Competitor Bulletin #10-12: Cumulative Rules Update |
| Competitor Bulletin #10-13: Long Beach Tire Marking |
| Competitor Bulletin #10-14: Class Adjustment Clarification |
| Competitor Bulletin #10-15: GTC Class Adjustment |
| Competitor Bulletin #10-16: Cumulative Rules Update |
| Competitor Bulletin #10-17: Class Adjustments |
| Competitor Bulletin #10-18: Challenge Class Regulations Cumulative Update |
| Competitor Bulletin #10-19: Comprehensive Drive Time Regulations |
| Competitor Bulletin #10-20: Starting Grid |
| Competitor Bulletin #10-21: Lime Rock Park Track Configuration |
| Competitor Bulletin #10-22: Technical Regulations Update |
| Competitor Bulletin #10-23: MMP Promoter Test Day Clarification |
| Competitor Bulletin #10-24: Class Adjustments |
| Competitor Bulletin #10-25: Mid-Ohio Promoter Test Days and Mid-Ohio-LRP Pit Wall |
| Competitor Bulletin #10-26: Class Adjustments |
| Competitor Bulletin #10-27: Mosport Pit Lane Rules |
| Competitor Bulletin #10-28: Post-Race Procedure Penalties |
| Competitor Bulletin #10-29: Petit Le Mans Technical Specifications |
| Competitor Bulletin #10-30: Petit Pit Lane Rules |
| Competitor Bulletin #10-31: Official Fuel Decals |
| Competitor Bulletin #10-32: Challenge Class Pit Stop Personnel |
| Competitor Bulletin #10-33: GTC Wicker Update |
| Competitor Memorandum #10-01: Pre-Season Regulations Preview - Revised 1-7-10 |
| Competitor Memorandum #10-02: Testing Reminder |
| Competitor Memorandum #10-03: LMPC Xtrac Gearbox Information |
| Competitor Memorandum #10-04: LMPC Vendor Information |
| Competitor Memorandum #10-05: 2010 LMPC Tire Details |
| Competitor Memorandum #10-06: Salt Lake City Event Bulletin |
| Competitor Memorandum #10-07: Mid-Ohio Testing Information |
| Competitor Memorandum #10-08: LMPC Amnesty changes and Combined Rules questions |
| Competitor Memorandum #10-09: Petit Le Mans Information Services Updates and Reminders |
| Competitor Memorandum #10-10: Petit Le Mans Post Race Logistics Information |
| PMNA Technical Bulletin 01-2010 GTC for Sebring 12 Hours |
| 2009 Bulletins |
| Competitor Bulletin #09-01: 2009 American Le Mans Rules Information Summary |
| Competitor Bulletin #09-02: Engine Sealing Procedures |
| Competitor Bulletin #09-03: LM GT2 Class Adjustments |
| Competitor Bulletin #09-04: Class Adjustments |
| Competitor Bulletin #09-05: Class Adjustments |
| Competitor Bulletin #09-06: Engine Sealing Procedure Change |
| Competitor Bulletin #09-07: ALMS Driver Log Changes |
| Competitor Bulletin #09-08 - Revised: ALMS STANDING SUPPLEMENTARY REGULATIONS Update |
| Competitor Bulletin #09-09: Post Sebring Class Adjustments |
| Competitor Bulletin #09-10: ALMS Challenge Specific Regulations |
| Competitor Bulletin #09-11: Post Long Beach Class Adjustments |
| Competitor Bulletin #09-12: American Le Mans Series SSR Update |
| Competitor Bulletin #09-13: ALMS Challenge Class SSR Update |
| Competitor Bulletin #09-14: Change in points distribution for Road America Event |
| Competitor Bulletin #09-15: Pre-LRP Class Adjustments |
| Competitor Bulletin #09-16: Over the Wall Lime Rock Park and Mid-Ohio |
| Competitor Bulletin #09-17: Class Adjustments |
| Competitor Bulletin #09-18: P2 Weight Adjustments |
| Competitor Bulletin #09-19: Mid-Ohio Tire Revision |
| Competitor Bulletin #09-20: White Flag |
| Competitor Bulletin #09-21: ALMS Challenge Schedule |
| Competitor Bulletin #09-22: Full Course Yellow and Wave by Procedures |
| Competitor Bulletin #09-23: Class Adjustments |
| Competitor Bulletin #09-24: Class Adjustments |
| Competitor Bulletin #09-25: Authorized Fuels Update |
| Competitor Memorandum #09-02: Testing Rules Update |
| Competitor Memorandum #09-03: 2009 Timing System Improvements |
| Competitor Memorandum #09-04: American Le Mans Series Uniform Patch Placement Update |
| Competitor Memorandum #09-05: Timing Transponders for the Sebring Winter Test |
| Competitor Memorandum #09-06: Fuel Probe Sensor Clarification |
| Competitor Memorandum #09-07: ACO Technical and Sporting Regulations Update |
| Competitor Memorandum #09-08: ALMS Pit Lane Data Distribution System Update |
| Competitor Memorandum #09-09: ALMS Session Results Sheets Distribution Procedure |
| Competitor Memorandum #09-10: Reminder regarding ALMS SSR Article 17.6.1.d |
| Competitor Memorandum #09-11: Mosport Border Crossing Advisory |
| Competitor Memorandum #09-12: Road America Race Duration Change |
| Competitor Memorandum #09-13: Commercial Vehicle Operator's Registration for Canada |
| Competitor Memorandum #09-14: Homologation Update |
| Competitor Memorandum #09-15: Petit Le Mans Parking Regulations |
| Competitor Memorandum #09-16: GT2 Scrutineering Reminder |
| Competitor Memorandum #09-17: 2010 Sebring Winter Test |
| 2008 Bulletins |
| Competitor Bulletin #08-01:Prototype Starting Points |
| Competitor Bulletin #08-02:2008 Testing Regulations |
| Competitor Bulletin #08-03:Qualifying |
| Competitor Bulletin #08-04:IMSA "LM" GT Class Sporting Adjustments |
| Competitor Bulletin #08-05: Class Adjustments |
| Competitor Bulletin #08-06: Shortcuts, Lime Rock Park |
| Competitor Bulletin #08-07: Over the Wall, Mid-Ohio |
| Competitor Bulletin #08-08: Inspection of Fueler's equipment. |
| Competitor Bulletin #08-09: E-85 restrictor sizes. |
| Competitor Bulletin #08-10: GT2 Balance of Performance |
| Competitor Bulletin #08-11 |
| Competitor Bulletin #08-12: IMSA "LM"P Class Sporting Adjustments |
| Competitor Memo #08-01 |
| Competitor Memo #08-02 Long Beach Competitor Food Service |
| Competitor Memo #08-03 Mosport Border Crossing Service |
| Competitor Memo #08-04: Approval for the use of additional Detergent in Series specified fuel |
| Competitor Memo #08-05: 08-04 Rescinded |
| 2007 Bulletins |
| Competitor Bulletin #07-01:IMSA Class Sporting Adjustments |
| Competitor Bulletin #07-02:Class Sporting Adjustments -- Starting Conditions GT Classes |
| Competitor Bulletin #07-03:Fuel Energy Balance |
| Competitor Bulletin #07-04: Official Fuels |
| Attachment A: Shell V- Power Diesel LM24 Data Sheet |
| Attachment B: Typical Fuel Properties for IMSA 100/E 10 |
Competitor Bulletin #07-05: DL2 Data Logger and Universal Mount Installation |
| Competitor Bulletin #07-06: Prototype Configuration Starting Sebring |
| Competitor Bulletin #07-07: Tire Allotments |
| Competitor Bulletin #07-08: Required Decals |
| Competitor Bulletin #07-09: Reconnaissance Laps & Working Behind the Wall. |
| Competitor Bulletin #07-10: Pole Position, Long Beach Grand Prix |
| Competitor Bulletin #07-11: Minimum Weight |
| Competitor Bulletin #07-12: Drive Time |
| Competitor Bulletin #07-13: IMSA “LM”GT2 Sporting Adjustments |
| Competitor Bulletin #07-14: IMSA “LM”GT2 Sporting Adjustments |
| Competitor Bulletin #07-15: IMSA "LM"P2 Class Specifications |
| Competitor Bulletin #07-16: Modification of Article 6.11, 2007 IMSA CODE |
| Competitor Bulletin #07-17: Road America and Mosport Supplementary Regulations Update |
| Competitor Bulletin #07-18: Diesel Tank Waiver |
| Competitor Bulletin #07-19: IMSA “LM”P1 Class Sporting Adjustments |
| Competitor Memo #07-01: IMSA Code and Supplementary Reg's |
| Competitor Memo #07-02: Guidance for the logistics of the first half of the season. |
| Competitor Memo #07-03: Fuel Ordering Procedure |
| Competitor Memo #07-04: Miscellaneous Event Information and Testing Clarification |
| Competitor Memo #07-05: Penalties following Lime Rock Round of American Le Mans Series |
| Competitor Memo #07-06: Interlagos (Brazil) Round of the Le Mans Series |
| Competitor Memo #07-07: Road America Supplementary Regulations and Upcoming Event Logistics Update |
| Competitor Memo #07-08: VP Fuel |
| 2006 Bulletins |
| Competitor
Memorandum 06-01: IMSA Sebring Test,
January 23rd, 24th and 25th, 2006
- REVISION 2 |
| Competitor
Bulletin #06-01: Limits on IMSA
Class Sporting Adjustments |
| Competitor
Bulletin #06-02: Balance of
Performance - GT1 Class 2006 Season
Start |
| Competitor
Bulletin #06-03: Applicability of
ACO Specifications |
| Competitor
Bulletin #06-04: Balance of
Performance |
| Competitor
Bulletin #06-05: Balance of
Performance |
| Competitor
Bulletin #06-06: NOT ISSUED |
| Competitor
Bulletin #06-07: Balance of
Performance |
| Competitor
Bulletin #06-08: Balance of
Performance, P1 |
| Competitor
Bulletin #06-09: Tire Allocation,
Round 5 - Miller Motorsports Park |
| Competitor
Bulletin #06-10: Balance of
Performance |
| Competitor
Bulletin #06-11: Tire Allocation,
Round 6 - Portland |
| Competitor
Bulletin #06-12: Balance of
Performance |
| Competitor
Bulletin #06-13: Re: Balance of
Performance |
| Competitor
Bulletin #06-14: Re: Balance of
Performance |
| Competitor
Bulletin #06-15: Pit, Paddock Equipment and Uniforms |
| Competitor
Memorandum #06-02: Grand Prix of
Houston and Mid-Ohio Paddock Parking |
| Competitor
Memorandum #06-03: Pit Stop
Supervisor |
| 2005
Archives |
|
Competitor
Bulletin 05-01 |
|
Competitor
Bulletin 05-02 |
|
Competitor
Bulletin 05-03 |
|
Competitor
Bulletin 05-04 |
|
Competitor
Bulletin 05-05 |
|
Competitor
Bulletin 05-06 |
|
Competitor
Bulletin 05-07 |
|
Competitor
Bulletin 05-08 |
|
Competitor
Bulletin 05-09 |
|
Competitor
Bulletin 05-10 |
|
Competitor
Bulletin 05-11 |
|
Competitor
Bulletin 05-12 |
|
Competitor
Bulletin 05-13 |
|
Competitor
Bulletin 05-14 |
|
Competitor
Bulletin 05-15 |
|
Competitor
Bulletin 05-16 |
|
Competitor
Bulletin 05-17 |
|
Competitor
Bulletin 05-18 |
|
Competitor
Bulletin 05-19 |
|
Competitor
Bulletin 05-20 |
|
Competitor
Bulletin 05-21 |
|
Competitor
Bulletin 05-22 |
|
Competitor
Bulletin 05-23 |
|
Competitor
Bulletin 05-24 |
|
Competitor
Memorandum 05-01 |
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