Creates new provisions relating to persons with impaired or limited ability to communicate with law enforcement

SB 1676, known as "Mason's Law," creates a voluntary designation for Missouri residents with health conditions that may impair communication with law enforcement. To qualify, individuals must obtain certification from a physician or psychologist confirming a likely 5-year communication impairment and apply during motor vehicle registration. Approved applicants receive a designation visible to law enforcement via Missouri's MULES system, which will remain active for five years and require renewal with updated certification. The law also mandates that law enforcement agencies receive training on this system.