- If you have questions concerning your schedule contract terms and conditions, please contact your GSA or VA contracting officer.
- If you have questions concerning the preparation and submission of your electronic catalog using SIP, contact the Vendor Support Center (VSC) at 877-495-4849 (M-F 7:30-5:30 PM EST) or e-mail vendor.support@gsa.gov.
- If you have questions concerning the preparation and submission of your electronic catalog using EDI, contact our EDI Help Desk at 703-605-9444.
- If you have general questions regarding the GSA Advantage shopping system call 877-472-3777 option 2 or e-mail: vendor.support@gsa.gov.
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