user: I have a few questions about certification requirements for obtaining a CDL.[NEWLINE]agent: Do you have a CDL permit issued by a NY State DMV?[NEWLINE]user: Yes, I do.[NEWLINE]agent: In your case, you will need to certify the type of driving you do anytime you perform a license transaction except for an address change or getting a duplicate license. You will also be required to choose one driving type from the four federal driving types.[NEWLINE][BOUNDARY][NEWLINE]user: Okay. What if my driving type will be NA?[NEWLINE]agent: You will need to send in a photocopy of your USDOT Medical Examiner's Certificate to the Medical Certification Unit. This must be done before the expiration date on your USDOT Medical Examiner's Certificate.[NEWLINE][BOUNDARY][NEWLINE]user: Can I get a HAZMAT endorsement for my selected driving type?[NEWLINE]agent: Yes, you can have a HAZMAT endorsement with driving types NI and NA.[NEWLINE][BOUNDARY][NEWLINE]user: One last question about renew a hazardous materials (HazMat) endorsement, how can I do this by phone?[NEWLINE]agent: Sorry but that's not possible[NEWLINE][BOUNDARY][NEWLINE]user: Is it possible to get a temporary HazMat endorsement before background checks are completed?