The Car Seat Rules
ORC 4511.81 — four, forty pounds, eight, and four feet nine
Four numbers run this section, and they work in pairs rather than as a single ladder. Two of them decide whether a child restraint system is required. The other two decide whether a booster is required. Getting the pairing right is most of what people get wrong.
| The child | What the section requires |
|---|---|
| Less than four years old, or less than forty pounds | A child restraint system |
| Less than eight years old and less than four feet nine inches tall | A booster seat or a child restraint system |
| At least eight and not older than fifteen | A child restraint system or an occupant restraining device |
Whatever the device, it has to be one that meets federal motor vehicle safety standards, and the child has to be properly secured in accordance with the manufacturer's instructions. The instructions are part of the requirement rather than advice packaged with the product.
The duty in the section runs to the operator of the vehicle. It is the driver who has the child properly restrained, which is worth knowing where the driver is not the parent.
This page does not cover the penalty for a violation, whether the offence is enforced as a primary or a secondary one, or where a child is to be seated in the vehicle, which is a safety recommendation from other bodies rather than something this section sets. Taxicabs and public safety vehicles are treated separately in the section, and there are further exceptions it names. The Ohio Department of Health runs a child passenger safety programme with fitting help, and the manufacturer's instructions for a specific seat govern how that seat is used.
Sources for this section (1)
- ORC 4511.81 — Child restraint systems
Legal information, not legal advice. Verified as of September 2026. Talk to a licensed Ohio attorney about your situation.