Breaking this could see drivers be hit with between three and nine penalty points on their licence and a £200 fine.
Meanwhile, many car insurance firms require your pet to be secured at all times meaning you risk invalidating your cover if this is not done correctly.
Experts at Lookers urge drivers to consider purchasing a travel carrier or crate to keep their pet secure in one area.
A harness which attaches to the seat belt of the car is also a possibility as this will stop your dog from roaming freely around the vehicle.
