user: I need info about HazMat endorsement[NEWLINE]agent: Do you want to know how to renew your HazMat endorsement?[NEWLINE]user: No,I need more info but not that[NEWLINE][BOUNDARY][NEWLINE]agent: Do you know how often you need to get a background check?[NEWLINE]user: Yes, i know that[NEWLINE]agent: Do you want to keep your HazMat endorsement?[NEWLINE]user: Yes, please[NEWLINE]agent: In that case, the driver need to provide fingerprints and pass the background checks every five years[NEWLINE][BOUNDARY][NEWLINE]user: What if i have a Medical Variance?[NEWLINE]agent: you must keep it current with the FMCSA.The DMV will not remind you when your USDOT Medical Examiner 's Certificate or Medical Variance is about to expire unless you are enrolled in the Electronic Reminders program[NEWLINE][BOUNDARY][NEWLINE]user: how To avoid a downgrade or cancellation of my CDL / CLP[NEWLINE]agent: you must take this certificate to the DMV when you apply for your CLP / CDL, or fax / email it to the NY State DMV Medical Certification Unit[NEWLINE][BOUNDARY][NEWLINE]user: If i select NA or NI as your driving type