Question: how long does it take to get a verification of nonfiling?
Answer: Mail or Fax the Completed IRS Form 4506-T to the address or FAX number provided on page 2 of form 4506-T. If the 4506-T information is successfully validated, tax filers can expect to receive a paper IRS Verification of Nonfiling letter at the address provided on their request within 5 to 10 days.