sentences:  Also in 1990, the Solomon–Lautenberg amendment was enacted at the federal level, leading many states to further criminalize cannabis by passing "Smoke a joint, lose your license" laws.These laws imposed mandatory driver's license suspensions of at least six months for committing any type of drug offense (regardless of whether any motor vehicle was involved) including the simple possession of cannabis.As of 2019 only four states (Alabama, Arkansas, Florida, and Texas) continue to have such laws in effect.