Idaho state laws require that all vessels while underway must have US Coast Guard-approved PFDs while the vessel is underway.
Boat Length
All boats 19ft or less are required to follow the state laws for having PFDs.
Compulsory PFD Requirements for Idaho
All children under 14 years must wear an approved PFD at all times when the boat is underway. The PFD should be in proper wearable condition and the right size.
Exceptions from wearing PFDs in Idaho
In Idaho, no places are exempt from being without a PFD.
Disclaimer: The information presented here is meant to be a general reference for educational purposes. Please check with your state for the most up to date information and any current changes in the laws. Source: BoatUS