CFR›Title 40›Chapter I›Part 66›Appendix Appendix B to Part 66 CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Appendix B to Part 66—Instruction ManualNote:For text of appendix B see appendix B to part 67. Previous Appendix A to Part 66 Appendix A to Part 66—Technical Support Document Next Appendix C to Part 66 Appendix C to Part 66—Computer Program