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How to Handle a W-9 Without an SSN or EIN
July 13, 2026
Q. We have a rent vendor who provided an incomplete W9 missing their TIN. When we asked for a completed form, they stated that they do not have an EIN and are refusing to provide a SSN. Can you please advise how we should proceed with this issue to obtain their TIN? How can we ensure they are set up as reportable if they continue to refuse?
A.
(Answered by IOFM's third-party tax expert
The answer is “it depends.” You have two issues here. One is the tax issue, and one is internal…
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