The IRS Form 8948 Guide: Paper Filing Explanation Rules

Introduction – What Is Form 8948?

IRS Form 8948, titled Preparer Explanation for Not Filing Electronically, is a one-page compliance document administered by the Internal Revenue Service (IRS) and the U.S. Department of the Treasury. It is used exclusively by professional tax return preparers who submit paper versions of individual, estate, or trust tax returns.

Under federal tax regulations, professional preparers who handle a significant volume of tax returns are legally required to file them electronically. Form 8948 acts as an explanatory attachment on paper returns, providing the IRS with a valid, legally recognized reason why the return could not be submitted through the electronic filing system.

Purpose of the Form – Why Does Form 8948 Exist?

Under Internal Revenue Code Section 6011(e)(3), Congress established the federal e-file mandate to speed up tax processing, decrease manual data entry errors, and reduce government administrative costs. The law requires “specified tax return preparers” to electronically transmit covered returns.

However, the IRS recognizes that electronic filing is not always possible or desired by the client. Taxpayers have the legal right to opt out of electronic filing, software programs occasionally fail to support complex forms, and electronic transmission errors can prevent a return from going through. Form 8948 solves this issue by documenting the specific exception that applies, protecting the preparer from statutory noncompliance penalties.

Who Needs to File This Form?

Form 8948 must be completed and attached to a paper tax return by any “specified tax return preparer” who submits a paper return that would otherwise be subject to the e-file mandate. You are considered a specified tax return preparer if you reasonably expect to prepare and file 10 or more covered returns during a calendar year.

Covered tax returns include Form 1040, Form 1040-SR, Form 1040-NR, and Form 1041. A preparer must attach Form 8948 when filing paper copies of these returns for any of the following reasons:

• Taxpayer Opt-Out: The client independently decided to file their return on paper and signed a written opt-out statement.
• Approved Hardship Waiver: The preparer obtained an approved hardship waiver (Form 8944) from the IRS, or has a waiver application currently pending.
• E-File Sanctions: The preparer is currently ineligible to participate in the IRS e-file program due to administrative sanctions.
• Software Incompatibility: The preparer’s tax preparation software does not support a specific schedule or form attached to the return.
• Unresolved Reject Codes: The return was transmitted electronically but was rejected by the IRS system, and the error code could not be resolved.
• Unusual Circumstances: Other unexpected technical or logistical issues prevented electronic filing.

Who Is Exempt / Not Required to File?

Many tax returns filed on paper do not require Form 8948. You are exempt or not required to attach this form under the following circumstances:

• Electronically Filed Returns: Any tax return transmitted successfully through the IRS e-file system never needs Form 8948.
• Self-Prepared Returns: Individual taxpayers who prepare and mail their own paper tax returns without paid professional assistance do not file Form 8948.
• Low-Volume Tax Preparers: Practitioners who prepare and file fewer than 10 covered individual or fiduciary returns in a calendar year are not specified preparers and are exempt from the e-file mandate.
• Corporate and Partnership Returns: Business returns such as Form 1120, Form 1120-S, and Form 1065 are governed by separate electronic filing rules and do not use Form 8948.

When to File Form 8948

Form 8948 is an event-based form. It is not filed on its own or on a recurring annual schedule; rather, it is completed and attached to each specific paper return at the exact time that return is submitted to the IRS.

Because it is an attachment to a primary tax return, its filing deadline corresponds directly to the due date of the underlying tax return being submitted:

• Individual Returns (Form 1040, 1040-SR, 1040-NR): Typically April 15 (or October 15 if on a valid extension).
• Estate and Trust Returns (Form 1041): Typically April 15 (or September 30 if on a valid extension).

Where and How to File

Form 8948 is never submitted electronically, nor is it mailed to the IRS as an isolated document. It must be physically attached to the paper return it explains.

Place Form 8948 directly behind the primary tax return (such as Form 1040 or Form 1041) and ahead of supporting schedules and W-2 statements. Mail the complete physical tax return package to the designated IRS address as per instructions for that specific paper return type and geographic region.

Step-by-Step Instructions to Fill Form 8948

Form 8948 is a concise document that requires basic taxpayer and preparer identification followed by a series of checkable exception categories.

Header Information

Enter the taxpayer’s legal name and Taxpayer Identification Number (Social Security Number or ITIN) exactly as shown on the accompanying tax return. Enter the preparer’s full legal name and active Preparer Tax Identification Number (PTIN).

Exception Checkbox Breakdown

Checkbox / Line	Exception Reason	Filing Directions
Line 1	Taxpayer Choice	Check this box if the client chose to file on paper. You must obtain and retain a signed written statement from the client in your records.
Line 2	Hardship Waiver (Form 8944)	Check Box 2a and enter your IRS waiver approval number and date if approved. Check Box 2b if your waiver application is pending.
Line 3	Preparer Ineligible	Check this box if you are currently ineligible to e-file due to an active IRS suspension or sanction.
Line 4	Software Limitations	Check this box if your commercial tax software does not support a specific form attached to the return, and write the form number on the line provided.
Line 5	IRS E-File Rejection	Check this box if the return was rejected electronically. Enter the official IRS reject code and state the number of resolution attempts made.
Line 6	Other Unusual Circumstances	Check this box if an unlisted technical or administrative issue occurred, and provide a brief explanatory narrative.

Required Documents and Information Needed Before Filling

To ensure your Form 8948 stands up to IRS compliance reviews, keep the following documentation in your client and firm files:

• Signed Taxpayer Choice Statement: If you check Line 1, you must obtain a signed and dated statement from the client stating: “My preparer informed me that my return could be filed electronically, but I chose to file on paper.” Keep this in your files for at least three years; do not mail it to the IRS.
• Form 8944 Waiver Letter: A copy of your IRS approval letter with the unique waiver approval number if checking Line 2a.
• Electronic Rejection Notices: Software transmission logs displaying the official IRS reject code and timestamp if checking Line 5.
• Preparer PTIN: Your current, active Preparer Tax Identification Number.

Common Mistakes to Avoid

Simple compliance oversights can leave a tax preparer vulnerable to statutory penalties. Avoid these frequent mistakes:

• Failing to Keep the Client Statement: Checking Line 1 (Taxpayer Choice) without securing a physically signed opt-out statement from the client. In an audit, the IRS will disallow the exception without this document.
• Attaching Form 8948 to an E-Filed Return: Including Form 8948 in an electronic transmission is unnecessary and can cause software diagnostics errors.
• Missing the E-File Reject Code: Checking Line 5 without specifying the exact numerical IRS reject code that prevented digital submission.
• Omitting the Form on Paper Returns: Sending a paper return signed by a paid preparer without Form 8948 attached will automatically flag the preparer for an e-file mandate penalty.
• Attaching the Client’s Statement: Mailing the client’s signed opt-out statement to the IRS. The statement must be retained in your firm records, not mailed with the return.

Penalties for Non-Filing or Errors

Failing to follow the e-file mandate or submitting paper returns without a valid Form 8948 carries direct financial consequences for the tax professional:

• Per-Return Monetary Fines: Under Internal Revenue Code Section 6695, the IRS may assess a penalty of $50 for each paper return filed in violation of the e-file mandate, unless reasonable cause is proven.
• Compounding Firm Liabilities: These $50 fines apply per return. A practitioner who submits 100 paper returns without Form 8948 faces $5,000 in direct administrative penalties.
• IRS Regulatory Inquiries: Systematic failure to attach Form 8948 can trigger investigations from the IRS Return Preparer Office, potentially jeopardizing your PTIN renewal or electronic filing privileges.

Related Forms and Schedules

Form 8948 coordinates with several key tax forms and schedules:

• Form 8944: Preparer e-file Hardship Waiver Request (the advance application used to request formal exemption from the e-file mandate).
• Form 1040 / Form 1040-SR / Form 1040-NR: Primary individual income tax returns.
• Form 1041: U.S. Income Tax Return for Estates and Trusts.
• Form 8453: U.S. Individual Income Tax Transmittal for an IRS e-file Return.

Frequently Asked Questions

Does the taxpayer need to sign Form 8948?

No. Form 8948 does not have a taxpayer signature line. However, if the paper filing is due to client preference (Line 1), the taxpayer must sign a separate written Taxpayer Choice Statement that you keep in your permanent files.

What should be included in a Taxpayer Choice Statement?

The statement must show the taxpayer’s name, tax year, return type, and a clear declaration stating that they were informed about electronic filing but voluntarily chose to file their return on paper. It must be signed and dated by the client before mailing the return.

If my client chooses to file on paper, do I need to file Form 8944 first?

No. Form 8944 is only for preparers requesting a hardship waiver for themselves. If a client simply prefers to file on paper, you do not need advance IRS permission; you just check Line 1 on Form 8948 and attach it to the return.

Can Form 8948 be submitted electronically?

No. Form 8948 is designed solely for returns that are printed and mailed on paper. It should never be included in an electronic tax transmission.

What if an e-filed return is rejected on the filing deadline?

If you cannot resolve the reject code before the deadline, print the return, attach Form 8948 with Box 5 checked (listing the reject code), and mail the return to avoid late-filing penalties for the client.

How long should I keep Form 8948 documentation?

You should retain copies of the paper return, Form 8948, software rejection logs, and the signed Taxpayer Choice Statement for at least three years from the filing due date.

Conclusion – Key Takeaways Summarized

IRS Form 8948 is an essential compliance shield for tax professionals subject to the federal e-file mandate. It provides the IRS with a legitimate, documented reason why an individual or fiduciary return was filed on paper rather than electronically.

To avoid costly Section 6695 penalties, always attach Form 8948 to paper-filed client returns, check the accurate exception category, specify any applicable reject codes, and maintain signed client opt-out statements in your permanent files.