1. Form HSMV 83390, Application for Sunscreening Medical Exemption, accurately completed. Vehicles titled and registered in Florida are eligible for sunscreen tinting.Obtain a signed statement from a licensed physician validating the need for darker window tints. The DMV gives medical authorizations to individuals seeking protection from the sun, so your local DMV may be a good starting point to obtain a form. The state of Florida does permit exemptions to window tinting under certain conditions. For detailed instructions on how to fill out the form, contact us today! The main steps include consulting a licensed physician, completing form HSMV 83390, and submitting this form to the DMV.