The new Mobile Driver License (mDL) can be used to make customer interactions more efficient and accurate. Understand how mDL interactions work using the ISO/IEC 18013–5 Standard… Read this article sequentially so that definitions of New Terms build. Some content attributable to members of the ISO/IEC 18013–5 group. What is an mDL?We use Driver’s Licenses every day in a myriad of situations/ways.