Specialists at the Miami-Dade Police Department (MDPD) Community Affairs Bureau can provide free child's car seat checks and installations. In the U.S., motor vehicle crashes are a leading cause of death among children.1. For children aged through 3 years, such restraint device must be a separate carrier or a vehicle manufacturer's integrated child seat. § Board Policy 2421 (Refer to reverse side of this document for the. The law requires that all drivers, all front seat passengers and all passengers under the age of 18 fasten their safety belts. As always, safety is the number one concern of school transportation providers. Learn about Miami-Dade County policies for different types of harassment, workplace violence and reasonable accommodations for employees with disabilities. Florida state legislators voted to support a new bill that would make it booster-seat use mandatory for children from the ages of 4 to 7. A citation for failing to secure a child in a child restraint system will result in a fine and three points on the driver's record. Under Florida's car seat laws, infants and toddlers up to age 3 must sit in separate infant car seats or a vehicle manufacturer's integrated child seat.