Both shippers and carriers of hazardous materials are required to register and pay a fee annually with the Pipeline and Hazardous Materials Administration (PHMSA) of the USDOT.  Don’t be surprised if you haven’t heard of it; despite its widespread applicability, it’s been my experience that many HazMat shippers are unaware of this mandate.  All the information you need to know about who must register and how can be found on the USDOT/PHMSA website and in the regulations found at 49 CFR 107.601-107.620.  I’ll summarize the key points below. (more…)