Tax document: W9, if a non-US supplier your W8 form is available via the Comply process outlined below.Bank support: A recent bank statement or signed letter on bank letterhead that includes the account holder name and account/routing number details, voided check, OR deposit slip.In preparation for receiving an invitation, please collect the following documents: If you have previously done business with the Interpublic Group of Companies or its subsidiaries, you should have received an email prior to the invitation with instructions for validating and updating the information we currently have on file. Suppliers will have 9 business days to complete the form after the initial invitation is received.

If you are not able to locate this email, please check your spam or other email folders, or contact your local IT support desk to adjust your email settings for restricted domains.

Subject: Invitation: Register to become a supplier with Ī daily automated reminder email is sent after this initial invitation to register. This email will include the following attributes:įrom: ‘IPG Corporate’ with a domain including All non-media suppliers supporting IPG’s United States agency operations should expect to receive a system generated email invitation to begin the registration process with IPG via the SAP Ariba Network.

Ariba vendor management