The website for the discount is: Apple Store
you can also go into the brick and mortar store and tell the Apple Associate that you wish to use Securitas EPP discount.
It's not a big discount but every little bit helps.
A. Using a Web browser, go to www.eprintview.comB. Enter the Log in ID: Your Social Security Number with no dashes.C. Enter your password; your birth date formatted as follows MMDDYY (no dashes).D. Enter the Securitas Employer Pin 1645E. Click the Log in button.