- Under 2 years in a rear-facing child restraint until the reaching manufacturer's weight or height limits (eff: 01/01/20)
- Under 3 years who are not required to be rear-facing must be secured in a forward-facing child restraint system with a harness until reaching manufacturer's weight or height limits (eff:01/01/20)
- Older than 4 years and under 57 inches in a booster seat (eff: 01/01/20)
State:
Washington
Law Type: