The short answer is no Forms w9 don’t expire but you are required to get new forms w9 from the vendors whom you appeared for the first time on the irs b notice list in three calendar years. You’ll want to complete a new form as soon as possible to avoid any delays.
Husteczki do Zębów - Niska cena na Allegro
This ensures that the information remains accurate and up to date for the entire year.