AAMVA is pleased to report that the District of Columbia moved their Motor Carrier Safety Improvements Act (MCSIA) code for the Commercial Driver’s License Information System (CDLIS) and the Driver’s License Number Survey (DLNS) into production on May 16. Idaho also promoted its DLNS code into production. For the MCSIA Structured Testing schedule for the other states, visit the Structured Testing Schedule on the MCSIA Implementation Updates page.