w-9
What happens if you don't collect a W-9 or W-8
Backup withholding you didn't take, per-form penalties, 30% on foreign payments. The IRS collects from the payer, not the vendor. Here's the exposure.
6 min read
Blog
Practical notes on collecting W-9s and W-8s from vendors: which form, what to check, and how to keep it current.