Filing Unfiled Back Tax Returns
Unfiled tax returns are the foundation problem behind most serious IRS cases. Until the returns are filed, the IRS will not accept any collection alternative: no installment agreement, no Offer in Compromise, no Currently Not Collectible status. Filing back returns properly is the first step toward resolution.
When taxpayers fail to file, the IRS often files a Substitute for Return (SFR) under IRC Section 6020(b). The SFR uses third-party reported income but takes no deductions, no exemptions, and no filing status benefits beyond single. The resulting assessment is usually much higher than the true tax liability.
How Many Years to File
IRS policy generally requires six years of back returns to bring a non-filer into compliance, under IRS Policy Statement 5-133. Older years may need to be filed if there is potential refund, criminal exposure, or substantive issues.
Refund claims are limited to three years from the original due date or two years from payment, whichever is later. Refunds older than three years are forfeited regardless of how much tax was overpaid.
Reconstructing Records
IRS wage and income transcripts list all forms W-2, 1099, K-1, 1098, and similar information returns the IRS received in your name. These are the starting point for reconstructing returns when original records are gone.
Bank statements, credit card statements, and prior year tax software files fill in deductions and basis information. For self-employed taxpayers, mileage logs, expense receipts, and contract records support Schedule C deductions even where reconstruction is needed.
Substantiation matters. The IRS can challenge any deduction without contemporaneous records. Sworn declarations under penalty of perjury can support reconstructed numbers, but only after good-faith reconstruction.
Substitute for Return Overrides
An SFR assessment is not the end. Filing the actual return for a year with an existing SFR can replace the IRS assessment with the taxpayer's correctly computed liability, often reducing the balance significantly.
Two procedural notes: the actual return must be sent to a specific IRS unit (not the standard processing center) when an SFR exists, and the bankruptcy dischargeability of the resulting liability is affected by SFR rules. We coordinate the filing carefully when bankruptcy is also being considered.
Voluntary Disclosure for Criminal Exposure
Taxpayers with potential criminal liability from failure to file or willful evasion should not simply mail in late returns. The IRS Voluntary Disclosure Practice provides a procedural framework for resolving criminal exposure while paying tax, interest, and civil penalties.
Voluntary disclosure timing matters: disclosure must come before the IRS becomes aware of the noncompliance. Once an investigation begins, the program is no longer available. This is one of the most consequential timing decisions in tax controversy practice.
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Valley Tax Law represents clients throughout the Central Valley and Central Coast. Schedule a consultation at any of our offices, or by phone.
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