Topics include: classes of insurance, code provisions governing the insurance commissioner, laws pertaining to insurance adjusters, insurance contracts, liability limitations, and common carrier liability insurance.
Regulatory bodies may also grant carriers the authority to operate under contract with their customers instead of under common carrier authority, rates, schedules and rules.
They also include public services such as transportation of passengers or property as a common carrier, such as airlines, railroads, trucking, bus, and taxicab companies.