what happens if you lose or misplace your ein 
if you misplace your ein look for it on the notice sent to you by the irs when your ein was issued you can also try to recover it by contacting the financial institution where you do your day to day banking you can also find it on your previous tax returns if all else fails contact the irs business specialty tax line at 1 800 829 4933 make sure you have any identifying information on hand before you speak to an operator 