All vendors doing business with MSD or the State of Missouri must be a registered vendor in MO Buys.
For technical assistance with Vendor Registration contact WebProcure.Support@perfect.com, call (866) 889-8533, or visit the Frequently Asked Questions for Vendor Registration. The vendor must also submit a W-9 form as part of the registration process.
Form 943 – No Tax Due
All vendors doing business with MSD or the State of Missouri must also prove tax compliance of no back tax due to the State of Missouri. To ensure tax compliance, complete the Form 943 and submit to the Department of Revenue. The confirmation received from the Department of Revenue must be submitted to the Business Office.
Some vendors doing business with MSD or the State of Missouri must register for e-Verify to ensure a legal workforce. To enroll in e-Verify, click on Enroll in E-Verify. Submit E-Verify confirmation to the Business Office.