As you are in the heat of another tax season, probably without enough help, you don’t have time to study legislation especially proposed legislation prospectively effective in 2025 that is extremely unlikely to pass. But you may have clients or friends or relatives who expect you to know about this sort of thing. Fortunately, you have me who retired from active practice right at the end of 2018 and has time for this sort of nonsense. So here is more than you need to know about the proposed Fair Tax Act of 2023.

How Should a Disregarded Single Member LLC File a W-9?
Although Form W-9 has some other purposes, a company will usually ask you to fill it out if you are a business-to-business service provider . If you don’t provide a TIN to your customer, they may have to subject you to backup withholding . If it is my company that asks you for the W-9, I am not going to do backup withholding if you don’t send me the W-9. I’m just not going to pay you until you cough it up.
I believe in learning from experience. But it is better if the experience you learn from is other people’s experience. That is why a very large percentage of my tax writing is from court opinions, most often the United States Tax Court. This piece is my own experience.