What 172.202C means in plain language
When you transport hazardous materials, the shipping papers that travel with your load must contain complete and accurate information. A 172.202C citation means the hazmat description on those papers was incomplete—missing one or more of the required elements that regulators and first responders depend on.
Specifically, this violation flags a situation where your shipping papers lacked the proper shipping name for the hazardous material, failed to list the hazard class, omitted the UN or NA identification number, or did not include the packing group. Each of these pieces of information serves a critical purpose: the shipping name tells responders what chemical they're dealing with, the hazard class indicates the type of danger, the ID number is the universal identifier that links to detailed safety data, and the packing group reflects how strictly the material must be contained.
This is a paperwork violation, not necessarily a vehicle defect or driving behavior issue. It's about the accuracy and completeness of the documentation that authorizes the transport of your hazmat load.
What our enforcement data actually shows
Across our 13 million+ inspection records, 172.202C is a rare citation. All-time, we show 7 citations for this code. Over the last 12 months, inspectors cited it 4 times, and in the most recent 90 days, just 1 citation appeared in our database.
When cited, this violation has never resulted in an out-of-service order—our data shows a 0.0% OOS rate across all 7 citations. This stands in sharp contrast to the all-FMCSR average OOS rate of 31.4%, meaning that even when 172.202C is found, enforcement typically treats it as a correctable deficiency rather than an immediate safety-critical failure. Among all 3,036 FMCSR codes tracked by citation volume, 172.202C ranks #2312, placing it well below the most frequently cited violations.
The low enforcement frequency and zero OOS history suggest this violation is either caught and corrected before inspection or represents a gap that inspectors encounter infrequently in the field.
Who gets cited most
Our inspection records show that Texas has been the primary state where this citation appears in the last 180 days, with 1 citation and a 0.0% OOS rate. The limited citation volume across all states makes it difficult to identify a geographic concentration, but the data does confirm that incomplete hazmat descriptions are not a widespread or state-specific problem in our dataset.
Among carriers, our data shows fleets such as SAIA Motor Freight Line LLC, Laun-Dry Supply Company Inc, Atkins Brothers Equipment Company Inc, Eastex Crude Trucking LLC, Swap N Grill LLC, Northcott Services LLC, and CD Fuels LLC each with 1 citation for this code. These are isolated incidents across diverse operations and do not indicate a systemic pattern at any single carrier.
How severe is this compared to similar codes
This code sits within the hazardous materials compliance category, which includes much more serious violations. For comparison, look at the peer codes we track:
177.834A (General loading/unloading hazmat) shows 3,954 citations with a 99.2% OOS rate—meaning nearly every citation results in an out-of-service order. 172.502(a)(1) (Placarding general requirements) has been cited 1,820 times with an 18.5% OOS rate. 177.817(e) (Placard deteriorated/damaged) appears 2,038 times but only carries a 5.2% OOS rate, similar to the low enforcement severity of 172.202C.
The gap between 172.202C's 0.0% OOS rate and violations like 177.834A's 99.2% OOS rate reflects the severity hierarchy: a missing or deteriorated placard represents an immediate hazard in an accident or emergency, while incomplete shipping paper descriptions are violations that can typically be corrected by administrative action or clarification.
How to avoid it
Incomplete hazmat shipping papers are preventable through pre-trip verification and careful attention to documentation:
-
Verify all four required elements before loading. Before you accept a hazmat load, confirm that the shipping papers include (1) the proper shipping name, (2) the hazard class, (3) the UN or NA identification number, and (4) the packing group. Do not assume the paperwork is complete; physically read each section.
-
Cross-reference the shipping name with the ID number. Our inspection data shows that placard and loading violations often co-occur with shipping paper defects. When you match the proper shipping name to its UN/NA ID, you create a consistency check that catches transcription errors or incomplete entries.
-
Request corrected papers before departure if any field is blank or unclear. This is your safest option. Contact the shipper or hazmat coordinator at the loading facility and ask for corrected documentation. Do not leave the dock with papers you cannot read or that are obviously incomplete.
-
Keep Emergency Response Information (ERIG or equivalent) accessible and current. Our data shows maintenance and accessibility of hazmat emergency response information commonly appears alongside shipping paper issues. Ensure that your emergency reference materials are on board and that you can quickly locate them if inspected.
-
Inspect placards and load security as part of your walk-around. Our records indicate that deteriorated or damaged placards frequently appear in the same inspections as shipping paper problems. A complete pre-trip includes a visual check of all placards and load binding, which often reveals whether the load itself was properly described and prepared.
The fact that 172.202C citations result in zero out-of-service orders suggests that inspectors and enforcement view this as a correctable documentation issue. Your goal is to catch and fix incomplete papers before an inspector does—and the easiest way to do that is to verify completeness yourself at the dock before you roll.