These are just a few examples of a sample audit letter from the IRS. Use the format in the sample letter below.Make the letter brief and to the point. Send copies of information that support the audit items below. An IRS audit letter is a message from the IRS. It's their way of saying they want to double-check your tax return. Tax audit letters will include your name, tax ID number or Social Security number, employee ID number, address and contact information. If you agree with the notice, fill out, sign and mail the response form to the IRS. The Florida Department of Revenue audits businesses to find out whether state taxes were collected, reported, and paid correctly. Sending an IRS audit reconsideration request?