Commonwealth of Massachusetts

Buyer provides guidance on registering as a vendor in the COMMBUYS system. The documentation includes step-by-step instructions for creating and maintaining a vendor account, selecting commodity codes, and submitting quotes in response to bids. Buyer explains how vendors can register for the Small Business Purchasing Program if eligible and how to properly navigate the COMMBUYS platform.

• 6/30/2027 - Proposal Due Date

• Must have a Tax ID (EIN or SSN)
• Must select at least one UNSPSC commodity code

• Create and maintain vendor account in COMMBUYS
• Select appropriate UNSPSC commodity codes
• Create quotes in response to bids
• Upload price sheets and supporting documentation
• Acknowledge receipt of bids
• Apply for Small Business Purchasing Program if eligible
• Establish Seller Administrator credentials
• Navigate COMMBUYS bid notification system
• Manage multiple address types in vendor profile
• Review bid details including opening dates
• Accept Terms and Conditions for bids
• Withdraw and resubmit quotes when necessary
• Add and remove commodity codes as business needs change
• Register company information including tax ID
• Select business structure and type categories
• Maintain company users and access permissions
• Submit confidential documentation securely
• Complete bid-specific forms according to requirements
• Connect with BidSync for additional bid notifications
• Manage vendor profile information updates