IRS Form 4506-T is a tax transcript request form that authorizes a lender to retrieve your tax transcripts directly from the IRS. Lenders use it to verify that your tax returns are authentic and match what you submitted — it's a standard part of any SBA loan, bank loan, or income-verified business loan application.
IRS Form 4506-T — the Request for Transcript of Tax Return — authorizes the IRS to release a transcript of your tax return information directly to a third party you designate (in this case, your lender). It is not a copy of your full tax return. A transcript is a line-item summary of the data from your filing, generated by the IRS's own systems — which is exactly why lenders prefer it over a copy of the return you provide. The transcript verifies that what you filed with the IRS matches what you submitted to the lender. For business loan applications, lenders typically request transcripts for the past 2 years of business returns (Form 1120, 1120-S, 1065, or Schedule C) and often for the personal return as well. The IRS Form 4506-T instructions detail the types of transcripts available: Return Transcript, Account Transcript, Record of Account Transcript, and Wage and Income Transcript — lenders most commonly request the Return Transcript.
The core reason lenders require Form 4506-T is fraud prevention. Inflating business income on a loan application by presenting a doctored tax return is a federal crime under 18 U.S.C. §1014 — and it happens. By retrieving transcripts directly from the IRS, the lender bypasses any possibility that the returns presented were altered. For SBA loans, Form 4506-T is required by SBA policy in SOP 50 10 for all business and personal tax returns in the application package. For conventional bank loans, most commercial lenders have adopted the same practice. Form 4506-T also enables the lender to verify that the tax return was actually filed — a business that claims it filed but hasn't is a significant underwriting red flag.
Form 4506-T requires you to specify: (1) the taxpayer name and EIN/SSN; (2) the specific tax form type (1040, 1120, 1120-S, 1065, Schedule C); (3) the tax year(s) being requested; (4) the third party authorized to receive the transcript (your lender); and (5) your signature authorizing the release. The authorization is specific to what you designate — the lender cannot use one 4506-T to retrieve unlimited information. The form has an expiration (typically 120 days from signing, per IRS guidelines). According to IRS FAQ guidance, transcripts are typically available within 10 business days when requested by mail, or within 3-5 business days via IRS Income Verification Express Service (IVES) — the electronic channel most SBA lenders use to speed up the process.
Before signing Form 4506-T as part of a loan application, confirm: (1) all tax returns referenced have been filed and accepted by the IRS — if you have unfiled returns, address them before applying; (2) the returns the lender will retrieve match the returns you have provided in the application package — discrepancies (even innocent ones from amended returns) will trigger additional documentation requests; (3) you understand the authorization expires in approximately 120 days. If you have filed amended returns (1040-X, for example), let your lender know proactively — the 4506-T may retrieve the original filing unless you specify amended.