Do you want to know How to renew your hazardous materials endorsement (HazMat)?
Yes
We will normally mail you a renewal notice for your approval by HazMat, which is separate from the notice to renew your CDL. Follow the instructions in HazMat's renewal approval notice to request background checks.
Alright. I'd also like to know information  NA or NI. what else should I know if I get NA or NI as my driving type?