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W-9: Providing Regarded and Disregarded Entity FEINs

February 10, 2026
February 10, 2026

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Q. A new supplier is asking my team for a W-9 with both the FEIN of the regarded entity and the FEIN of the disregarded entity they are paying. The supplier's ask is for the regarded entity name on Line 1 as usual and the FEIN of the regarded entity under Part I. Then on Line 2 of the W-9, they're asking us for the name of the disregarded entity they are paying along with the FEIN of the disregarded entity on the same line (Line 2.) The supplier's explanation is their system allows one record…

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