Final answer:
Using an electronic device while driving for a person under 18 is a primary offense, meaning police can stop them just for this violation.
Step-by-step explanation:
For a person under 18 using an electronic device while driving is a primary offence which means it is a violation for which a driver can be pulled over by the police. Primary offenses allow law enforcement officers to stop a vehicle solely for the reason of the offense itself.
In this case, if an underage driver is found using an electronic device while driving, they can be fined or face other legal consequences as determined by local laws.