The Freight Classification Development Center (FCDC) reviews and evaluates proposed updates to the National Motor Freight Classification® (NMFC)®, including changes to rules, classifications, and specific item numbers.
Industry feedback plays a critical role in this process.
Whether you’re a carrier, shipper, 3PL, manufacturer, or another industry professional, you can submit comments on proposed NMFC changes, active dockets, and density-based classifications. Explore the resources below to learn more before submitting your feedback.
What You Can Provide Feedback On
Proposal Feedback
Review proposed changes to NMFC rules and share your feedback before recommendations are finalized. Your operational experience helps ensure proposed updates accurately reflect how commodities are shipped and handled.
Review Proposals
Docket Feedback
Provide comments on active classification dockets currently under review by the FCDC. Feedback submitted during the review period is considered as part of the evaluation process.
View Public Docket Files
Density-Based Items
Help improve density-based classifications by sharing shipment characteristics, packaging considerations, or real-world transportation challenges that may affect classification decisions.
Review Proposed Items for Full-Scale Density
Each submission helps ensure decisions are informed by real-world industry expertise.

Classification Research Projects
Reviewed a research project? Continue the process by submitting your comments to the FCDC. Industry feedback helps ensure NMFC decisions reflect real-world shipping practices.
Your Input Helps Shape NMFC Decisions
Your feedback provides critical insight that helps FCDC:
- Understand real-world operational impacts across the industry;
- Evaluate shipping characteristics, handling, and risk factors; and
- Make more informed, balanced classification decisions.
All submissions are reviewed as part of the formal evaluation process and contribute to final outcomes.



