Kari’s Law & RAY BAUM’s ACT- Federal MLTS E911 Laws & Regulations Mar 4, 2020 | BlogOverview On August 1, 2019, the Federal Communications Commission (FCC) adopted rules to Multi-Line Telephone Services (MLTS) purchased or installed after February 16, 2020 to implement Kari’s Law and Section 506 of RAY BAUM’S Act e911-related...