Code Bulletins that have been issued since the 2005 edition of the ACC Product Approval Code of Practice are listed here. All other Code Bulletins have been archived. For older Code Bulletins, please contact the PAPTG Manager.
- Code Bulletin C-28 - Inclusion of the Sequence IIIG into Appendices H and I of the Code of Practice
- Code Bulletin C-29 - Inclusion of Information Request to Tab 4 of the COP
- Code Bulletin C-30 - Change in Appendix I, Guideline 5 to include Group III
- Code Bulletin C-31 - Mack T-12, Cummins ISM and ISB accepted into the Code
- Code Bulletin C-32 - Mack T-11 accepted into the Code
- Code Bulletin C-33 - Caterpillar C-13 accepted in the Code
- Code Bulletin C-34 - August 2007 edition of the ACC Product Approval Code of Practice
- Code Bulletin C-35 - Clarification Regarding Specific Engine Test in Appendix H
- Code Bulletin C-36 - ACC Monitoring Agency Contact Information and Revision to Tab 3
- Code Bulletin C-37 – Appendix J Clarification – Sponsor and Laboratory Compliance
- Code Bulletin C-38 – Appendix H Guideline 5

