Your customer number appears on the activation letter sent to you by ASEV.
If you no longer have the letter, please contact American Society for Enology and Viticulture.
American Society for Enology and Viticulture
PO Box 1855
1724 Picasso Ave, Suite E
Davis, CA 95617-1855 USA
Phone: (530) 753-3142
Fax: (530) 753-3318
society@asev.org
Office hours are 9am to noon; 1pm to 5pm, Pacific time