The background study number is located in the upper right corner of the “Background Study Clearance” notice that you received from DHS. When you complete your online update, be certain to type in the name EXACTLY as it appears on the clearance notice. If DHS is unable to match the name of the controlling individual with the background study number you provide for Mailer Type Agency ID 12348 XYZ Services, Inc. Study 12345678 Study Date 01/01/2013 Background Study Contact: XYZ Services, Inc. John Doe (BGS subject) Jane Doe 1234 City Drive Sunnydale, MN 55555 4321 ABC Drive Moonville, MN 54444 that person, DHS will notify you that you will be required to request another background study and pay the required fee of $20.00. In addition, if you cannot locate the clearance letter or otherwise locate the background study number, you will need to request a new background study and pay the required fee. .