Could you direct me where I can verify vendors’ TINs? Do I need to pay for this service?


On the AP&P2P Network, in the Compliance > 1099/1042-S-W-9/W-8 > 1099 Reporting section, please see: IRS TIN Matching Program, which explains and provides links to the IRS TIN Match service.  There is no charge for this service, but as you will see, there is a registration process.

It is a best practice to use this service, as it can save you from bad TIN/name matches and consequent B-notices.

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