All passengers must wear a PFD aboard a vessel that is underway.
Boat Length
In Texas, vessels that are less than 26ft should follow all boating laws on wearing of PFDs.
Compulsory PFD Requirements for Texas
All children under 13 years must wear a US Coast Guard-approved PFD. The life jacket should be in good condition and fit properly on the intended user.
Exceptions from wearing PFDs in Texas
Passengers in a vessel that is aground, anchored, or moored are not required to wear a personal flotation device.
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