How will I know when the IRS receives my paper work in the mail?

[Lisa995]

you wont unless you put tracking on the envelope when you mailed it.  

You'll just have t keep checking back to the Wheres My refund website until you see some movement.

<a rel="nofollow" target="_blank" href="http://www.irs.gov/refunds">www.irs.gov/refunds</a>

[SweetieJean · Accepted solution]

Per the IRS, wait at least 4 weeks before checking.