does the DOT HAZMAT Transportation & Security Awareness certificate expire?
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Tiffany: Hi, Paula Camacho!My name is Tiffany. Welcome to ComplyChat!How are you today? 
Tiffany: The DOT HAZMAT certification needs to be recertified every 3 years.  
Tiffany: Is there anything else I can assist you with today?
Paula Camacho: thank you, have a good day
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