The Posting ID number is comprised of the last four digits of your Affiliate ID number, followed by a hyphen, followed by the last three digits of your ASU ID number. The Affiliate ID number is the ten-digit number on your Sun Card; the ASU ID number is the nine-digit number. Joe Student's Sun Card ---------------------------------------- | ASU Arizona State | | University | | PHOTO | Joe Student's | | POSTING ID | | would be | | | Joe Student | 1234-567 | | | | | XXXXXX567 XXXXXX1234 | | | | SUN | | CARD | ---------------------------------------- /\ /\ || || ASU ID Affiliate ID Joe Student's POSTING ID is 1234-567. PLEASE DON'T FORGET THE HYPHEN. Thanks. GBA