What 172.203(e) means in plain language
172.203(e) is a hazardous materials regulation that addresses specific requirements for how hazardous materials must be packaged and prepared for transport. This code sits within the broader hazmat packaging framework and focuses on ensuring that hazardous substances are contained and secured in ways that prevent leakage, spillage, or exposure during loading, transport, and unloading.
If you've been cited for this violation, an inspector found that your cargo packaging or the way hazardous materials were secured in your vehicle did not meet federal standards. This could mean the packaging itself was inadequate, the material was not properly contained within the approved packaging, or the securing method allowed for movement or potential exposure.
Unlike many other hazmat violations, a 172.203(e) citation does not automatically pull you out of service. However, it still represents a compliance gap that you need to address before your next hazmat load.
What our enforcement data actually shows
Across our 13 million+ roadside inspection records, 172.203(e) has been cited only 3 times in all-time history. In the last 12 months, we've recorded zero citations, and in the last 90 days, zero citations. This is an exceptionally rare violation in roadside enforcement.
None of the 3 all-time citations resulted in an out-of-service placement, giving 172.203(e) a 0.0% OOS rate. For comparison, the all-FMCSR average OOS rate is 31.4%, meaning this code is enforced far less aggressively at roadside than most violations. Ranked #2551 of 3,036 FMCSR codes by citation volume, 172.203(e) sits in the lowest tier of enforcement frequency.
The rarity of this citation suggests that either compliance is exceptionally high, or inspectors tend to cite related packaging violations under different codes. Either way, the data indicates you are dealing with an uncommon enforcement action.
Who gets cited most
Our records show only three carriers with citations for 172.203(e): AEGIS CHEMICAL SOLUTIONS LLC (USDOT 2362381) with 1 citation, BASIN CHEMICAL SOLUTIONS LLC (USDOT 2883586) with 1 citation, and KEYSTONE CHEMICAL LLC (USDOT 2916602) with 1 citation. The sample size is too small to identify meaningful patterns by fleet or region.
Vehicle makes cited included two vehicles listed as "OTHR" (other), one Dodge, one Ford, and one Ram. Again, the volume is insufficient to conclude that certain vehicle types are more susceptible to this violation. The citation pattern is too sparse to support state-level or carrier-specific risk analysis.
How severe is this compared to similar codes
172.203(e) sits within the hazardous materials category alongside several much higher-enforcement codes. The most similar peer codes show dramatically different enforcement patterns:
177.834A-HMC — General loading/unloading of hazmat — has 3,954 citations with a 99.2% OOS rate. 177.834(a), another general hazmat loading/unloading violation, has 3,839 citations with a 97.9% OOS rate. Both of these are enforcement focal points with extreme out-of-service rates.
172.502(a)(1) — Placarding general requirements — carries 1,820 citations with an 18.5% OOS rate, and 172.516(c)(6) — Placard damaged, deteriorated, or obscured — has 1,796 citations but only a 1.6% OOS rate.
Your 172.203(e) citation, with zero OOS placements, sits at the lenient end of hazmat enforcement. Inspectors are far more likely to cite you for general loading/unloading violations or placarding issues than for packaging compliance. This suggests that while packaging compliance is regulated, it is rarely the primary focus of roadside hazmat inspections.
How to avoid it
Since 172.203(e) concerns the packaging and containment of hazardous materials, your prevention strategy must focus on the cargo itself and how it is secured in your vehicle:
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Verify packaging integrity before loading. Before accepting a hazmat shipment, inspect all containers, drums, bottles, and cases for dents, cracks, leaks, corrosion, or any signs of damage. Do not load compromised packaging. Take photos if you refuse a load due to packaging defects.
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Confirm DOT-approved packaging. Ensure that the shipper has used packaging that is certified and approved for the specific hazardous material and hazard class. Ask the shipper for documentation of packaging approval if you are unfamiliar with the product.
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Secure loads to prevent movement. Even properly packaged hazmat must be blocked, braced, or secured so that it cannot shift, tip, or fall during transit. Use blocking, bracing, dunnage, or straps appropriate to the weight and size of the cargo. Movement during transport can compromise packaging seals and cause leaks.
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Check securing devices regularly. On longer trips, stop and visually inspect your load securing every 2–3 hours. Vibration and road conditions can loosen straps or shift loads. Retighten as needed.
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Know your material. Review the shipping papers and safety data sheet (SDS) for each hazmat load. Understand the hazard class, any special handling requirements, and temperature sensitivity. Some materials require climate-controlled storage or protection from sunlight.
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Report shipper non-compliance. If a shipper consistently provides improperly packaged hazmat, report it to your safety director and your shipper liaison. Patterns of non-compliance can lead to enforcement action against both the shipper and your fleet.
The fact that 172.203(e) is rarely cited at roadside does not mean it is unimportant. It means that when it is cited, it signals a clear and significant packaging failure. By inspecting cargo before you load it and securing it properly, you eliminate the risk of this violation.