You may have received this email from Barnes & Noble:
Currently you receive this file without the DB as part of the transmission, and any other alpha digits are transmitted as a numeric (mostly as an 8).
IT is nearing the end of their testing to change the format of the DC return numbers on the EDI transmissions to include the DB and alpha data.
Please be informed that the return # field is being increased from 6 to 8 digits, and the fields will be formatted for alpha/numeric. Please notify your IT dept. that this change will take place in the near future.
What this means to you:
There is no change necessary on your part.