D
DataQs – Support tool that assists requesters, FMCSA, and State agencies in filing
DBA – Doing Business As
DCE – Distributed Computing Environment
Desc – Description
DGAF – Dirección General de Autotransporte Federal (General Directorate of Federal Motor Carriers)
Disp – Disposition
DNS – Domain Name Service
DOS – Disk Operating System
DOT – Department of Transportation
DPPA – Driver Privacy Protection Act
DSL – Digital Subscription Loop (internet access method)
DT or dt – Date
DTD – Document Type Definition
DUNS – Data Universal Numbering System (Provided by Dun & Bradstreet)