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Manufacturers Advisory Correspondence (MAC)

This page was last reviewed March 17, 2016

Sign up to the Mobile Source Mailouts and Manufacturers Advisory Correspondence (MAC) list server. By doing this, you will be notified when a new Mobile Source Mailout or MAC has been posted to the Mobile Source Mailouts or MAC web pages. See also our comprehensive listing of 1996 and older mailouts and MACs.

INDIVIDUAL MACs

MAC 16-01 (added March 17, 2016)

Cost Limit For High-Priced Warranted Parts For 2017 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs), and Alternative Fuel Retrofit Systems Certified During Calendar Year (CY) 2016 And CY 2017 Installed In On-Road PCs, LDTs, MDVs And Heavy-Duty Vehicles. (PDF - 1.24M)

MAC 15-01 (added March 30, 2015)

Cost Limit For High-Priced Warranted Parts For 2016 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs), and Alternative Fuel Retrofit Systems Certified During Calendar Year (CY) 2015 And CY 2016 Installed In On-Road PCs, LDTs, MDVs And Heavy-Duty Vehicles. (PDF - 2.41M)

MAC 14-01 (added July 10, 2014)

Cost Limit For High-Priced Warranted Parts For 2015 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs), and Alternative Fuel Retrofit Systems Certified During Calendar Year (CY) 2014 And CY 2015 Installed In On-Road PCs, LDTs, MDVs And Heavy-Duty Vehicles. (PDF - 835K)

MAC 13-02 (added July 9, 2013)

Clarification Of The Emission Warranty Information Report (EWIR) Formatting Requirements Currently Used For 2010 And Subsequent Model Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs), And Engines Used In These Vehicles (MDEs), Heavy-Duty Vehicles (HDVs) And Engines Used In These Vehicles (HDEs), And Motorcycles. (PDF - 183K)

MAC 13-01 (added March 18, 2013)

Cost Limit For High-Priced Warranted Parts For 2014 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 89K)

MAC 12-01 (added March 7, 2012)

Cost Limit For High-Priced Warranted Parts For 2013 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 31K)

MAC 11-03 (added September 6, 2011)

Cost Limit For High-Priced Warranted Parts For 2012 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 31K)

MAC 2011-002 (this MAC replaces MAC 2011-001 and was added on April 12, 2011)

MAC 2011-02 - Zero Emission Vehicle (ZEV) Credit Reporting and Tracking System

Attachment A: Application for California Zero Emission Vehicle (ZEV) Account /Change of Company Representative or Address
Attachment B: Calculation Method for Zero Emission Vehicle (ZEV) Credit Requirement
Attachment C and D: Credits and Debits
Attachment E: Example Data files; Credits and Debits
Attachment F: Zero Emission Vehicle (ZEV) Credit Transfer Form

MAC 10-002 (added December 22, 2010)

Clarification of Alternate NOx Family Emission Level for 2011-2014 Model Year Nonroad Compression Ignition Engines in the 130 ≤ kW ≤ 560 Power Category (PDF - 36K)

Attachment for MAC 2010-002 (Excel - 26K)

MAC 10-01 (added June 10, 2010)

Cost Limit For High-Priced Warranted Parts For 2011 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 27K)

MAC 09-03 (added October 22, 2009)

Determination for Manufacturers of Passenger Cars (PC), Light-Duty Trucks (LDT) and Medium-Duty Passenger Vehicles (MDPV) Subject to California's Greenhouse Gas (GHG) Emission Fleet Average Requirement (PDF - 42K)

Attachment: TABLE 1-A (CERT MFR worksheet), CERTIFYING/PRODUCING MANUFACTURER'S CALIFORNIA SALES (PC, LDT, MDV, MDE, HDE) and TABLE 1-B (MKT MFR worksheet), MARKETING MANUFACTURER'S CALIFORNIA SALES OF VEHICLES (PC, LDT, MDV, MDE, HDE) CERTIFIED BY ANOTHER MANUFACTURER (Excel - 119K)

MAC 09-02 (added April 19, 2009)

Cost Limit For High-Priced Warranted Parts For 2010 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 38K)

MAC 09-01 (added March 3, 2009)

Implementation of New Environmental Performance Label (PDF - 140K)

Attachment: Test Group Information Format

MAC 08-02 (added August 7, 2008)

Amendments to the Emission Warranty Information Report (EWIR) for 2010 and Subsequent Model Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) and Engines Used in These Vehicles (MDEs), And Heavy-Duty Vehicles (HDVs), Engines Used in These Vehicles (HDEs), and Motorcycles (PDF - 1.3M)

MAC 08-01 (added April 10, 2008)

Cost Limit For High-Priced Warranted Parts For 2009 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 43K)

MAC 07-03 (revised August 31, 2007)

Protocol for the Engine Shutdown System on New California Certified Heavy-Duty Diesel Engines for 2008 and Subsequent Model Years (PDF - 101K)

MAC 07-02 (added May 11, 2007)

Cost Limit For High-Priced Warranted Parts For 2008 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 111K)

MAC 07-01 (added March 16, 2007)

Policy regarding the use of Electronic Signatures in the Air Resources Board's (ARB) Document Management System for Certification (PDF - 87K)

MAC 06-03 (added October 19, 2006)

MAC 06-03: Zero-Emission Vehicle (ZEV) Credit Reporting and Tracking System
- Attachment A: Application for Zero Emission Vehicle (ZEV) Attachment A
  Account with the ZEV Bank
- Attachment B: Calculation Method for Zero Emission Vehicle (ZEV) Credit Requirement
  - E-template for annual NMOG (Electronic version)
- Attachments C and D: Credits and Debits
- Attachment E: Zero Emission Vehicle (ZEV) Credit Transfer Form
- Attachment F: ZEV Account Holder Identification Codes

MAC 06-02 (added May 10, 2006)

Cover Letter (PDF - 12K)
MAC 06-02: "Fast Refueling Capability" Criterion for 2003 and Subsequent Model-Year Type III Zero-Emission Vehicles (ZEV) and Information Requested for Advanced Technology Demonstration Applications. (PDF - 22K)

MAC 06-01 (added March 22, 2006)

Cost Limit For High-Priced Warranted Parts For 2007 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 90K)

MAC 05-05 (added October 18, 2005)

Evaporative Emission Requirements for Vehicles with On-Board Generators (PDF - 80K)

MAC 05-03 (added July 28, 2005)

Optional Test Procedure For Certifying 2008 and Later Model-Year Gasoline-Fueled Zero-Fuel Evaporative Vehicles (PDF - 112K)

MAC 05-02 (added May 13, 2005)

Cost Limit For High-Priced Warranted Parts For 2006 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) And Engines Used In These Vehicles (MDEs), And Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 99K)

MAC 05-01 (added January 21, 2005)

Interim Voluntary Low Emission Standards for New Model Year (MY) 2005 and 2006 Off-Road Large Spark-Ignition (LSI) Engines (PDF - 82K)

MAC 04-04 (added May 11, 2004)

Optional Duarability Demonstration and Certification Procedure for New 2002-2006 Model Year Diesel, Diesel Dual-Fuel and Diesel Bi-Fuel Urban Bus Engines Produced On or After October 1, 2002 Meeting New 0.01 g/bhp-hr Particulate (PM) and/or 0.5 g/bhp-hr Oxides of Nitrogen (NOx) Standards Using a Verfied Diesel PM or NOx Aftertreatment System (PDF - 96K)

MAC 04-03 (added May 11, 2004)

Cost Limit for High-Priced Warranted Parts of 2005 Model Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), Medium-Duty Vehicles (MDVs) and Engines Used in These Vehicles (MDEs), and Off-Road Large Spark-Ignition Engines (LSIEs) (PDF - 92K)

MAC 04-02 (added May 7, 2004)

Evaporative Testing Requirements for Dual-Fuel Compressed Natural Gas (CNG) / Gasoline and Liquefied Petroleum Gas (LPG) / Gasoline Vehicles Revision of MAC #99-01 to Allow Subtraction of Methane Emissions from CNG / Gasoline Dual-Fuel Vehicles (DFVs) (PDF - 94K)

MAC 04-01 (added March 24, 2004)

MAC 04-01: Zero-Emission Vehicle (ZEV) Credit Reporting and Tracking System (PDF - 89K)
- Attachments A and B: Application for a ZEV Account with the ZEV Bank and ZEV Credit Transfer Fom (PDF - 140K )
- Attachments C and D: Vehicles Delivered and Placed and Other Types of Credit (Excel - 40K) or (PDF - 47K)
- Attachment E: ZEV Account Holder ID Codes (Excel - 18K) or (PDF - 26K)

MAC 03-03 (added July 30, 2003)

Cost Limit for High-Priced Warranted Parts of 2004 Model Year (MY) Passenger Cars (PC), Light-Duty Trucks (LDT), Medium-Duty Vehicles (MDV) and Engines Used in These Vehicles (MDE), and Off-Road Large Spark-Ignition Engines (LSIE) (PDF - 93K)

MAC 03-02 (added July 16, 2003)

Guidance to Certification and Compliance with California's Supplemental Test Procedures, Including, and Specific to, Not-To-Exceed (NTE) Emission Tesing Caps for 2005 and 2006 Model Year (MY) Heavy-Duty and Medium-Duty Diesel Engines (HDDEs and MDDEs) (PDF - 122K)

MAC 03-01 (added February 4, 2003)

Hang Tag and Star Labels for 2003 and Later Model Year Spark-Ignition Marine Engines (PDF - 133K)

MAC 02-02 (added May 14, 2002)

Use of Bag Mini-Diluter Sampling Systems in Lieu of Constant Volume Sampling for Mass Emissions Testing (PDF - 528K)

MAC 02-01 (added May 14, 2002)

Cost Limit for High-Priced Warranted Parts on 2003 Model Year Passenger Cars (PC), Light-Duty Trucks (LDT), and Medium-Duty Vehicles (MDV) (PDF - 78K)

MAC 01-03 (added November 1, 2001)

Optional Test Procedure For Certifying Pre-2005 Model Year Gasoline-Fueled Zero-Evaporative Vehicles and For Offsetting Evaporative And NMOG Emissions For Such Vehicles (PDF - 325K)

MAC 01-02 (added September 26, 2001)

Cost Limit for High-Priced Warranted Parts of 2002 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), and Medium-Duty Vehicles (MDVs) (PDF - 75K)

MAC 01-01 (added June 6, 2001)

Optional Use of the Federal Engine Test Cycle Speed and Load Specifications for Exhaust Emission Testing of Spark-Ignition Small Off-Road Engines

MAC 00-04 (added June 29, 2000)

Format for Submitting Electronically Based and Written Submissions of Manufacturer Quarterly Production Line Testing Reports, and Guidance on Meeting Production Line Engine Sampling Requirements for 2001 and Later Model Year Spark-Ignition Marine Engines (PDF - 40K)
- Attachment - (Excel - 74K) (Attachment 9 Word - 24K)
- PDF (Marine Information - 9K) (Summary - 9K) (Quarter Summary - 7K) (Individual - 13K) (Attachment 6 - 32K)(Combined - 8K) (Attachment 8 - 7K) (Attachment 9 - 7K) (Manufacturer Name - 7K) (Microsoft Access - 430K)

The corresponding templates for the four ARB-specified file formats and the Access hard copy formats, referenced in MAC #2000-04, are listed below:

Engine Family Information File (Excel - 15K)

Engine Family Data Per Quarter File (Excel - 14K)

Individual Engine Test Data Per Quarter File (Excel - 15K)

Combined Quarters Engine Family File (Excel - 14K)

Spark-Ignition Marine Engine Access Database File for Generating Hard Copy Reports (Access Database - 626K)

MAC 00-03 (added June 21, 2000)

Format for Manufacturer Quarterly Assembly-Line Production Reports for 2001 and Subsequent Model Year Passenger Cars, Light-Duty Trucks and Medium-Duty Vehicles Including Full / Partial Zero-Emission Vehicles (PDF - 24K)
- Attachment - (Excel - 43K) (PDF Table 1 - 10K) (PDF Table 2 - 6K) (PDF Table 3 - 12K) (PDF Table 4 - 6K)

MAC 00-02 (added April 17, 2000)

Cost Limit for High-Priced Warranted Parts of 2001 Model-Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), and Medium-Duty Vehicles (MDVs) (PDF - 18K)

MAC 00-01 (added January 24, 2000)

Required Format for Manufacturer Quarterly Audit Reports for 2000 Model Year Passenger Cars (PCs), Light-Duty Trucks and Medium-Duty Vehicle Engine Families Certifying to Compliance Assurance Program (CAP 2000) Regulations (PDF - 56K)
- Attachment - (Excel97 - 34K)

MAC 99-06 (added January 21, 2000)

Certification of Direct Ozone Reduction Technologies
- Attachment - (PDF - 47K)

MAC 99-05 (added July 26, 1999)

Certification Compliance With the Acceleration Simulation Mode (ASM) Loaded-Mode Inspection and Maintenance (I/M) Standards (PDF - 17K)

MAC 99-02 (added February 24, 1999)

Cost Limit for High-Priced Warranted Parts of 2000 Model Year (MY) Passenger Cars (PCs), Light-Duty Trucks (LDTs), and Medium-Duty Vehicles (MDVs) (PDF - 13K)

MAC 99-01 (added January 12, 1999)

Evaporative Testing Requirements for Dual-Fueled CNG / Gasoline and LPG / Gasoline Vehicles (PDF - 16K)

MAC 98-04 (July 27, 1998)

Vehicle Manufacturers Must Submit Demonstrations of Compliance with California's Inspection and Maintenance Program (PDF - 18K)

MAC 98-03 (July 15, 1998)

ARB's Reporting Requirements for Experimental Permits Issued for Fleets of Vehicles and Engines (PDF - 14K)

MAC 98-02 (March 18, 1999)

Cost Limit for High-Priced Warranted Parts of 1999 Model-Year Passengers Cars, Light-Duty Trucks, and Medium-Duty Vehicles (PDF - 12K)

MAC 97-03 (June 27, 1997)

Required Format for Submitting Manufacturer Quality Audit Quarterly Assembly-Line Reports Electronically and in Hard Copy PDF - 677K)

MAC 97-02 (April 14, 1997)

Cost Limit for High-Priced Warranted Parts of 1998 Model-Year Passengers Cars, Light-Duty Trucks, and Medium-Duty Vehicles (PDF - 7K)

MAC 97-01 (April 14, 1997)

Assigned Deterioration Factors for Vehicles Certified to the Useful Life and Running Loss (Enhanced) Evaporative Emission Standards (PDF - 24K)

Diesel Activities: Mobile Vehicles and Equipment

Diesel Activities - Certifications & Verifications