The purpose of this legislation is to impose penalties on states that allow illegal immigrants to obtain driver's licenses or do not share information about criminal aliens with federal authorities. The goal is to enhance compliance with federal immigration laws and ensure that only individuals with proof of citizenship or lawful permanent residency can receive driver's licenses. Key provisions of the legislation include a requirement for states to enact laws that prohibit the issuance of driver's licenses to individuals who cannot prove their citizenship or lawful permanent residency.