Yes, It Is Required By Idaho State Law! If You Are Not on Our Approved Driver List, Then You Cannot Operate One of Our Waverunners! If We Catch an Individual Operating One of Them That Hasn’t Gone Through the Course, Then We Will Revoke Your Rental Privileges For The Day With No Refund. The Reason Being, Is Because They Are the Ones That Cause Accidents, Wreck’s Our Machines, and Get Tickets From The Sheriff Department For Being Reckless. Operator’s must be able to understand English in Written & Verbal Form as The State Hasn’t Produced Materials in Spanish For Us To Use and Distribute at This Time.