State law page

Louisiana Booster Seat Laws & Requirements (2026)

Every driver in this state who transports a child/children under the age of eighteen years shall have the child properly restrained. | Under 2 yrs shall use a rear-facing child safety seat until outgrows the seat by height or weight. | Child at least 2 yrs or older and has reached the rear-facing weight or height limits shall use forward-facing child safety seat with an internal harness until the child reaches the weight or height limit. | Child at least 4 yrs and has outgrown the forward-facing weight or height limits shall be restrained in a belt-positioning child booster seat, secured with a vehicle lap-shoulder seat belt. | Child at least 9 yrs or has outgrown the height or weight limits of a child restraint or belt-positioning child booster seat shall be restrained with the motor vehicle's adult safety belt adjusted and fastened around the child's body to fit correctly. | Child younger than 13 yrs shall be transported in the rear seat of a motor vehicle in the most protective restraint system given the child’s height and weight.

FieldLouisiana snapshot
Age requirementEvery driver in this state who transports a child/children under the age of eighteen years shall have the child properly restrained. | Under 2 yrs shall use a rear-facing child safety seat until outgrows the seat by height or weight. | Child at least 2 yrs or older and has reached the rear-facing weight or height limits shall use forward-facing child safety seat with an internal harness until the child reaches the weight or height limit. | Child at least 4 yrs and has outgrown the forward-facing weight or height limits shall be restrained in a belt-positioning child booster seat, secured with a vehicle lap-shoulder seat belt. | Child at least 9 yrs or has outgrown the height or weight limits of a child restraint or belt-positioning child booster seat shall be restrained with the motor vehicle's adult safety belt adjusted and fastened around the child's body to fit correctly. | Child younger than 13 yrs shall be transported in the rear seat of a motor vehicle in the most protective restraint system given the child’s height and weight.
Height requirementSee child-restraint rule; includes height language where listed.
Weight requirementSee child-restraint rule; includes weight language where listed.
Fine / penaltyVerify fine with state source; GHSA notes first-offense fines vary by state.
Last checkedGHSA reviewed by SHSOs June 2025; extracted 2026-07-23
Verification levelIndex source; official state verification pending
Child restraint requiredEvery driver in this state who transports a child/children under the age of eighteen years shall have the child properly restrained. | Under 2 yrs shall use a rear-facing child safety seat until outgrows the seat by height or weight. | Child at least 2 yrs or older and has reached the rear-facing weight or height limits shall use forward-facing child safety seat with an internal harness until the child reaches the weight or height limit. | Child at least 4 yrs and has outgrown the forward-facing weight or height limits shall be restrained in a belt-positioning child booster seat, secured with a vehicle lap-shoulder seat belt. | Child at least 9 yrs or has outgrown the height or weight limits of a child restraint or belt-positioning child booster seat shall be restrained with the motor vehicle's adult safety belt adjusted and fastened around the child's body to fit correctly. | Child younger than 13 yrs shall be transported in the rear seat of a motor vehicle in the most protective restraint system given the child’s height and weight.
Adult safety belt permissibleAt least 9 yrs, fits in an adult seat belt correctly, and must be in rear seat if possible. | Under 13 yrs and must be in rear seat if possible.
Verification levelIndex source; official state verification pending

Sources

Law and source links

Index source: https://www.ghsa.org/state-laws-issues/child-passengers

Statute/source text: GHSA child passenger law summary; Safe Kids state law tracker cross-check

Safety guidance

Even when Louisiana law allows a seat belt, NHTSA, CDC, and AAP guidance may still recommend a booster until the vehicle belt fits properly.

Requirements guide

Understand age, height, weight, and seat belt fit.

Read requirements

Age guide

See when children typically start and stop using boosters.

Read age guide