VendorWeb
January 27, 2026Forms 1099 for Tax Year 2025 now available on VendorWebForms 1099 are now available on VendorWeb. Vendors seeking access to their Forms 1099 will need their vendor code. Paper Forms 1099 were mailed by January 31. Vendors with questions about their specific Form 1099, the reason for payments, or seeking to obtain their Vendor Code, should please contact the Commonwealth of Massachusetts department with whom they are doing business. The Commonwealth follows IRS rules when generating these forms. Please see the FAQs available at macomptroller.org/1099 for more information. January 30, 2026Payments during cutover period - February 12-22, 2026The Commonwealth of Massachusetts is transitioning to its new statewide enterprise accounting and financial reporting system, Mosaic, in mid-February. Vendors should see minimal impact to their payments and payment information. Most vendors expecting payments with a payment date between February 12-22, 2026 should see the funds in their bank accounts as early as Tuesday, February 17. Payment information will be available on VendorWeb as usual. Welcome to VendorWebUsing this website, vendors to the Commonwealth of Massachusetts can easily and quickly view scheduled payments, payment history, and tax Forms 1099. If you require assistance, please have your vendor code ready and contact the Office of the Comptroller Solution Desk at comptroller.info@mass.gov or 617-973-2468.
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