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IRS Grants Extension for Late-Filed Forms 3115 in PLR-115069-25

The IRS granted a 45-day extension to a corporation and its subsidiaries after a CPA inadvertently failed to upload two original Forms 3115 to the taxpayer’s timely filed consolidated federal income tax return.

Case: PLR-115069-25
Court: IRS Written Determination
Opinion Date: May 1, 2026
Published: May 1, 2026
IRS_WRITTEN_DETERMINATION

IRS Grants 45-Day Extension for Late-Filed Accounting Method Forms

The IRS granted a 45-day extension to a corporation and its subsidiaries after a CPA inadvertently failed to upload two original Forms 3115 to the taxpayer’s timely filed consolidated federal income tax return. The missed filings—required to change inventory cost allocation methods under § 263A—risked disqualifying the taxpayer from automatic consent under Rev. Proc. 2015-13, potentially exposing the group to penalties and method change disallowance. The IRS concluded the taxpayer acted reasonably and in good faith, citing the CPA’s oversight as the sole cause of the late filing.

The CPA’s Inadvertent Error: How a Simple Mistake Led to a Late Filing

The taxpayer, a parent corporation filing a consolidated federal income tax return, engaged a CPA to prepare and file the return and to submit two Forms 3115 under the automatic consent procedures of Revenue Procedure 2015-13. These forms sought to change the taxpayer’s and its subsidiaries’ methods of accounting for identifying and allocating costs to inventory under Section 263A, which requires capitalization of certain indirect costs into inventory under the Uniform Capitalization Rules. The CPA prepared both Forms 3115 and mailed the duplicate copies to the IRS processing center in Ogden, Utah, on Date A.

The CPA then electronically filed the taxpayer’s consolidated federal income tax return by its due date, Date B, in compliance with Section 6.03(1)(a)(i) of Rev. Proc. 2015-13. The return reflected the method changes, which had been properly implemented. However, months later in Month, the taxpayer discovered through an internal review that the CPA had inadvertently failed to upload the original Forms 3115 to the electronically filed return, as required under Section 6.03(1)(a)(i)(A) of Rev. Proc. 2015-13. The oversight was not detected during the initial filing process, and the originals were only later submitted to the IRS upon discovery of the error.

IRS Rationale: Why the Extension Was Granted Under § 301.9100-3

The IRS granted the extension under § 301.9100-3, which provides discretionary relief for late regulatory elections when taxpayers fail to meet filing deadlines. Unlike § 301.9100-2, which offers automatic extensions for certain elections, § 301.9100-3 applies to elections not covered by the automatic provisions, including accounting method changes under Rev. Proc. 2015-13.

The IRS concluded that the taxpayer acted reasonably and in good faith under § 301.9100-3(a), which requires evidence demonstrating such conduct. The taxpayer’s oversight—an inadvertent failure to upload the original Forms 3115 to the electronically filed return—was discovered through an internal review, not during the initial filing process. This lack of awareness of the filing error supported the IRS’s finding that the taxpayer did not act with willful neglect or disregard for regulatory requirements.

Additionally, the IRS determined that granting relief would not prejudice the interests of the Government under § 301.9100-3(a). The late submission of the Forms 3115 did not affect the substantive tax treatment of the accounting method changes, which had already been properly implemented and reflected on the return. The IRS’s interests were preserved because the taxpayer complied with the core requirements of Rev. Proc. 2015-13 and submitted the forms upon discovery of the error, ensuring no loss of revenue or administrative burden.

Implications for Taxpayers: What This Ruling Means for Accounting Method Changes

This ruling underscores the importance of double-checking the filing of Forms 3115, particularly when using electronic filing systems. The IRS granted a 45-day extension under § 301.9100-3, which allows relief for late regulatory elections if the taxpayer can demonstrate reasonable cause and good faith. This provision applies broadly to accounting method changes, meaning other taxpayers who miss deadlines due to inadvertent errors—such as a CPA’s oversight—may similarly qualify for extensions if they act promptly upon discovery and show no prejudice to government interests.

However, taxpayers should not interpret this ruling as binding authority. Private Letter Rulings (PLRs) are non-precedential under Section 6110(k)(3), meaning they cannot be cited as precedent in other cases. The IRS explicitly states that this ruling is directed only to the taxpayer and is based on specific facts and representations. While this decision provides insight into the IRS’s interpretation of § 301.9100-3, it does not guarantee similar relief in other circumstances. Taxpayers must still ensure strict compliance with Rev. Proc. 2015-13 and other procedural requirements to avoid penalties or denials of relief.

The IRS’s express limitation on the scope of this ruling serves as a reminder that proactive compliance—such as verifying the timely filing of Forms 3115—remains the best defense against administrative hurdles. For industries with complex accounting methods, such as manufacturing or retail, this case highlights the need for robust internal controls to prevent late filings and the potential for similar extensions if errors are promptly corrected.

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PLR-115069-25 - Full Opinion

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