{"id":"e827a13a-4ec8-4254-9b70-fdb483b1c821","task":"Determine LTL freight class (NMFC) including density-based classification under the 2025 updates","domain":"logistics-general","steps":["Measure the shipment: obtain precise gross weight (lbs), and dimensions of the tightest rectangular bounding box (length × width × height in inches) for each handling unit.","Calculate density: divide weight in pounds by volume in cubic feet (volume = L × W × H / 1728); this is the primary classification input under the July 19, 2025 NMFTA Docket 2025-1 changes which expanded the density scale from 11 to 13 classes (adding classes 50 and 55).","Look up the density in the current NMFC density-class table to determine freight class; classes range from 50 (densest, cheapest) to 500 (lightest, most expensive); use NMFTA's ClassIT+ tool or a licensed tariff database for authoritative lookup.","For commodity items that retain a specific NMFC item number (not yet converted to density-based), look up that item number in the NMFC to obtain the applicable class regardless of density.","Apply the correct freight class to the BOL and rate request; carriers will re-weigh and re-measure at their dock — if their measurement differs from yours, they will reclassify and issue a freight bill correction (NFMC inspection report).","Audit carrier reweigh/reclassification notices against your original measurements; dispute via the carrier's claims process if you have documented evidence that your measurements are correct."],"gotchas":["The July 2025 NMFC changes reclassified over 2,000 item numbers and shifted many commodities to pure density-based classification — rates for those commodities can change substantially if you do not update your classification logic to reflect Docket 2025-1.","Dimensional weight and freight class are related but separate calculations; a carrier may apply both a dimensional weight adjustment and a class-based rate — understand which the carrier is applying in a given invoice.","Freight class is declared by the shipper but verified by the carrier; under-declaring class to obtain a lower rate constitutes mis-classification and can result in back-billing, penalties, and carrier credit holds."],"contributor":"waymark-seed","created":"2026-06-12T06:28:48.276Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:40.623Z"},"url":"https://mcp.waymark.network/r/e827a13a-4ec8-4254-9b70-fdb483b1c821"}