Motor Carriers This webpage is a quick reference to links pertaining to DMV transactions and forms relating to being a motor carrier owner or motor carrier operator in the State of New Hampshire. Commercial Driver Licenses Classifications Commercial Driver License Application Commercial Driver License Manual Hazardous Material Endorsement Medical Card Requirement Military CDL Road Test Waiver IRP (Apportioned Plates) International Registration Plan Overweight Certification School Buses School Bus Drivers "S" Endorsement" Related Links Oversize Permits Related Forms