1. Go to the VSS website:
https://mss.jccal.org/mss
2. Click “Vendor Self Service”, then “Registration” or from the Vendor Registration home page Click "Register (New Vendors)", then "Register"
It is very Important that you Complete the following steps:
a. Create your USER ID and PASSWORD
b. Complete the New Vendor Registration: General Information
c. Enter a valid email address (where you want notifications to be sent)
d. Enter your DUNS # in the General Information section
e. Verify/Save the mailing address and Add/Enter Remit Address (by selecting
the small blue ADD)
f. Add/Enter Vendor additional Contacts
g. Select/Save ALL Commodity Codes that apply to the goods and/or services you
offer
h. Review (Edit/Change registration info if needed)
i. UPLOAD your W-9 (signed and dated within 24 months of today’s date,
preferably the current year)
j. Select REGISTER