Effective immediately, Technical Directive 674 (TD 674) supersedes all previous versions regarding the [Component Name, e.g., braking system / HVAC module].
Please choose the one that fits your needs. Use this if TD 674 refers to a U.S. Treasury Decision or specific tax form/notice. td 674
Service Bulletin: Implementing TD 674 on Fleet Units td 674
Status Update: Project TD 674
TD 674 has been circulating recently, and if you’re handling compliance or year-end reporting, here is what you should look out for. td 674
Team,