Why Getting the BOL Right Matters at Roadside
A bill of lading is a legal contract between the shipper and carrier — and it's the document a DOT inspector will pull first during a Level 1 inspection. Errors on the BOL are not just administrative inconveniences. Missing or incorrect fields, especially on hazmat loads, can result in out-of-service orders, five-figure fines, and CSA points that follow your record for years.
Under 49 CFR Part 373, carriers are required to keep freight bill records for each shipment. For hazmat, 49 CFR 172.200 requires the shipper to prepare a shipping description that appears on the BOL — and the carrier is responsible for having it in the cab. An inspector who can't verify what's on the truck from the BOL will escalate the stop. Every time.
The shipper is responsible for preparing the BOL and certifying the information on it. The carrier signs it at pickup to acknowledge receipt. Errors made by the shipper still become the carrier's problem at inspection — because you're the one holding the document at the weigh station. Verify every field at the dock before you pull out.
The Required Fields: Every BOL Must Have These
Under 49 CFR Part 373 and standard industry practice, every bill of lading must include the following fields. Missing any of these creates a documentation gap that can trigger enforcement action.
| Field | What Goes Here | Status |
|---|---|---|
| Shipper Name & Address | Full legal name and address of the party shipping the freight | Required |
| Consignee Name & Address | Full name and address of the party receiving the freight | Required |
| Date of Shipment | Date freight was tendered to the carrier | Required |
| Commodity Description | Plain-English description of what's being shipped | Required |
| NMFC Item Number | National Motor Freight Classification item code | Required |
| Freight Class | Class 50–500 per NMFC classification (determines LTL rate) | Required |
| Weight | Total gross weight of the shipment in pounds or kilograms | Required |
| Handling Units | Number and type of pieces (pallets, drums, cartons, etc.) | Required |
| Carrier Name | Name of the motor carrier transporting the freight | Required |
| BOL Number | Unique document identifier for tracking and claims | Required |
| Shipper Signature | Authorized shipper signature certifying the information | Required |
| Hazmat Fields | Proper shipping name, hazard class, UN/NA number, packing group, quantity | Required if hazmat |
| Special Instructions | Temperature requirements, delivery window, liftgate needs, etc. | Optional |
Step-by-Step: How to Fill Out Each Field
Shipper Name and Address
Enter the full legal name of the company or individual shipping the freight, plus their complete street address, city, state, and ZIP code. Abbreviations are fine; P.O. Boxes alone are not — you need a physical address for inspection purposes.
If the shipper is a third-party logistics (3PL) company, clarify whether they are acting as shipper or agent. The name on the BOL should be the party that physically tendered the freight.
Consignee Name and Address
The consignee is the party receiving the freight at the destination. Use their full legal name and physical delivery address. A dock number or suite is helpful but not required.
If the freight is being delivered to a third-party receiver (not the buyer), note that separately. The consignee field is who the carrier delivers to — not necessarily who owns the goods.
Date of Shipment
The date the freight was actually tendered to the carrier — not the order date, not the scheduled pickup date. Use the date the carrier took possession and signed the BOL. MM/DD/YYYY format is standard in the US.
Commodity Description
This is one of the most audited fields on the BOL. The commodity description must be specific enough for an inspector to understand what's being transported. Vague descriptions like "auto parts" or "merchandise" are a common trigger for secondary inspections.
For non-hazmat freight: be specific about the product type, material, and use. "Steel machine bolts, grade 8" is better than "hardware." For hazmat, the commodity description must match the DOT Proper Shipping Name from 49 CFR 172.101 — no substitutions.
Hazmat example: Flammable Liquid, N.O.S. (contains Acetone), Class 3, UN1993, PG II
NMFC Item Number
The National Motor Freight Classification (NMFC) item number identifies the specific commodity classification that determines your freight class. Every type of freight has an NMFC item — assigned by the National Motor Freight Traffic Association (NMFTA).
To find the correct NMFC item, look up your commodity in the NMFC guide or your carrier's rate tool. The NMFC item number appears as a multi-digit number (e.g., NMFC Item 100300). Getting this wrong results in a freight class dispute and potentially a much higher invoice from the carrier.
Freight Class
Freight class runs from Class 50 to Class 500 under the NMFC system. It determines the LTL rate and is based on four factors: density, stowability, handling, and liability. Lower class = denser, easier to handle, cheaper to ship. Higher class = lighter, fragile, or hazardous, more expensive.
The freight class must match what the NMFC assigns to your commodity. Shippers who guess at freight class — or intentionally misclassify to get a lower rate — risk reclassification by the carrier, a significant weight/inspect charge, and delayed delivery. For hazmat, misclassification is a federal violation, not just a billing dispute.
Class 50 — dense, durable freight (sand, stone, metals) · Class 70 — auto parts, lumber · Class 92.5 — computers, small appliances · Class 150 — auto sheet metal · Class 300 — plywood, empty crating · Class 500 — low-density items (bags of chips, ping pong balls)
Weight
Enter the total gross weight of the shipment — freight plus all packaging and pallet weight. For LTL, weight is typically in pounds. For international or some hazmat shipments, kilograms may be required.
Gross weight matters for two reasons: it determines the freight charge, and for hazmat Table 2 materials, it determines whether placards are required. If the gross weight on the BOL doesn't match the actual loaded weight at the scale, expect a reweigh charge and possible enforcement action if hazmat thresholds are implicated.
Handling Units
Handling units describe the number and type of pieces making up the shipment. Common types: pallets, skids, drums, barrels, cartons, rolls, bundles, crates, cylinders. Enter both the count and the unit type.
Be specific. "48 cartons on 1 pallet" is correct. "1 shipment" tells the carrier and inspector nothing about what they're handling, how it's packaged, or how many pieces to count at delivery for damage claims.
Hazmat Fields: What the BOL Must Show
If any freight on the BOL is a hazardous material under 49 CFR Part 172, additional required fields apply. These are not optional disclosures — they are federal requirements, and their absence is a violation with fines up to $16,864 per occurrence.
Hazmat entries on the BOL must appear in a specific order and must be listed before any non-hazmat entries on the same document. Under 49 CFR 172.201, the hazmat description must include each of the following, in this sequence:
- Identification Number — UN or NA number (e.g., UN1993, NA1268)
- Proper Shipping Name — exactly as it appears in the Hazardous Materials Table (49 CFR 172.101)
- Hazard Class or Division — primary class first, subsidiary if applicable (e.g., "Class 3, Subsidiary 6.1")
- Packing Group — I, II, or III (not required for Class 2 gases, explosives, and certain others)
- Total Quantity and Unit of Measure — net quantity with units (lbs, kg, L, gallons)
- Number and Type of Packages — physical package description (e.g., "4 drums")
The shipper must include a signed certification on the BOL stating that the contents are "properly classified, described, packaged, marked, and labeled, and are in proper condition for transportation" per 49 CFR 172.204. A BOL without this certification on a hazmat shipment is non-compliant regardless of how accurately all other fields are filled out.
If your BOL includes hazmat items, verify your vehicle placards are correct for the classes and quantities on board. See our DOT Placard Requirements guide — specifically the Table 1 vs Table 2 distinction that determines whether you need a vehicle placard and what type.
Common Mistakes That Trigger DOT Violations
1. Vague commodity description
"General merchandise," "freight all kinds," or "miscellaneous goods" are all red flags at inspection. An inspector who can't identify what's on the truck from the BOL will escalate. The commodity description should be specific enough that someone who has never seen the freight could understand what it is, what it's made of, and what it's used for. This is especially important for chemicals and industrial materials that are not technically regulated hazmat but require precise identification.
2. Wrong freight class
Freight class is based on NMFC classification — not a guess. Shippers routinely underclass freight to get a lower rate, which results in a carrier audit, reclassification charge, and sometimes a freight audit bill months later. Beyond the billing dispute, misclassifying hazmat as a lower freight class is a separate federal violation. Check the NMFC item number, verify the class it assigns, and put that class on the BOL. Don't estimate.
3. Missing hazmat checkbox or emergency contact
Hazmat loads require a 24-hour emergency response phone number on the BOL, per 49 CFR 172.604. This must be a number where a person — not a voicemail system — can provide technical hazmat response information in English during transport. The CHEMTREC number (1-800-424-9300) satisfies this requirement for most shippers. Forgetting this field on a hazmat BOL is a standalone violation even if every other field is correct.
4. Weight discrepancies between BOL and scale
If the weight on your BOL doesn't match what the certified scale shows at a weigh station, the discrepancy gets logged. For non-hazmat, it typically means a reweigh charge and possible rating adjustment. For hazmat, if the weight difference moves you across the 1,001-lb Table 2 placard threshold, you may have been operating without required placards — which is a much larger problem. Use actual gross weights at packaging, not estimates.
5. Shipper and carrier signature missing or undated
The BOL requires shipper signature at origin and carrier signature acknowledging receipt. An undated or unsigned BOL creates chain-of-custody problems for cargo claims and is non-compliant under 49 CFR Part 373. Drivers: review and sign at pickup, not at delivery. The signature at pickup is acknowledgment of receipt — not agreement that the freight is undamaged. Note visible damage at the time of signature with specific notation ("3 cartons crushed, right pallet" not "possible damage").
6. Incorrect packing group on hazmat entries
Packing group determines packaging requirements and, for some hazmat classes, whether the material is Table 1 or Table 2 for placard purposes. Class 6.1 Poison at PG I requires a placard at any quantity. PG II and III are Table 2. Listing the wrong PG on the BOL either creates an inspection violation or — if PG is understated — means you may have transported hazmat with inadequate packaging. The correct PG is in the Hazardous Materials Table at 49 CFR 172.101.
Before accepting a BOL and pulling out: (1) Verify shipper and consignee addresses are complete and physical, not P.O. Boxes. (2) Confirm commodity description is specific. (3) Check NMFC item and freight class match. (4) Verify gross weight was measured, not estimated. (5) For hazmat: confirm proper shipping name, class, UN number, packing group, quantity, certification statement, and 24-hour emergency contact. (6) Sign and date at pickup.
Straight Bill vs. Order Bill: Which Type Are You Carrying?
There are two types of bills of lading, and the type matters for delivery.
A straight bill of lading is non-negotiable. It specifies the consignee by name, and the carrier delivers to that party only — no endorsement or original document required at delivery. Most domestic freight moves on straight bills.
An order bill of lading (also called a negotiable bill) is a title document. Whoever holds the original bill controls the freight. These are used in international trade and certain high-value domestic shipments where the buyer's bank holds the bill until payment clears. As the carrier, you should not release freight against an order bill without receiving the original document — a photocopy is not sufficient.
When in doubt, check the top of the BOL. "Straight Bill of Lading — Not Negotiable" means you deliver to the consignee. "Order Bill of Lading" means you need to see the original at delivery.
Prepaid vs. Collect: Who Pays the Freight Charge
Every BOL has a freight charge terms field: Prepaid (shipper pays), Collect (consignee pays at delivery), or Third Party (billed to someone other than shipper or consignee). This field affects your billing — not the physical shipment — but getting it wrong can mean you never collect.
Carriers: if the BOL says Collect and the consignee refuses to pay at delivery, you have a freight claim problem. Verify terms at pickup. If the shipper says "just deliver it, we'll sort out billing later," that's a risk — on Collect shipments, your recourse is the consignee.
For a broader overview of what the bill of lading is, the legal roles of shipper vs. carrier, and the 5 most common DOT inspection mistakes, see our complete BOL guide. For the financial consequences of BOL errors, see the DOT Compliance Fines reference.
Not Sure If Your BOL Is Correct?
Upload your BOL to LoadLegit for instant compliance verification. Our scanner checks every field against DOT requirements — missing hazmat certification, wrong freight class indicators, incomplete shipper/consignee info, and more — in seconds.
Scan Your BOL Free →Also see: DOT Compliance Fines Guide · DOT Placard Requirements · Free BOL Compliance Checklist