Requests filled out for the drop box are generally received and begin the process for authentication within one business day. Mailing and Physical Address:.We provide fast Salt Lake City Utah apostille services. Here is a common list of Utah documents the Lt. Governor's Office may authenticate. Instructions (4 simple steps): Step 1: Choose from Basic, Plus, or Premier. Step 2: Pay online -or- complete credit card authorization form. Easy steps to get Apostille for your Original Documents in the State of Utah. . Download our PDF Order Form. . Certified copy example. You may contact: Office of the Secretary of State 350 N. State Street, Suite 200.