Calculate IRS deadline extensions under §7508A, tax-free employer disaster relief under §139, and §1033 involuntary conversion gain deferral. Model your total disaster tax relief savings.
How to Use This Disaster Relief Tax Calculator
Toggle whether your area has a federal disaster declaration — this enables the §7508A deadline extension. Enter employer disaster payments for the §139 exclusion calculation. Input insurance proceeds, property basis, and replacement cost to model §1033 involuntary conversion gain deferral. The total relief combines the penalty/interest savings, §139 income exclusion value, and §1033 deferred capital gains tax.
The Formula
§7508A: Extended Deadline = Original Deadline + Deferral Period
Penalty Saved = Tax Owed × 0.5% × (Deferral Days / 30) months
§139 Savings = Employer Payment × Marginal Rate (not taxable income)
§1033 Recognized Gain = max(0, Insurance Proceeds − Replacement Cost)
§1033 Deferred Tax = §1033 Gain Avoided × Capital Gains Rate
Example
Hurricane victim: $12K tax owed, $5K employer relief, $250K insurance on $150K basis property, reinvest $260K:
New deadline: April 15, 2026 + 180 days = October 12, 2026
§139 savings: $5,000 × 24% = $1,200
§1033: Gain = $250K − $150K = $100K; Recognized gain = max(0, $250K − $260K) = $0
Deferred tax: $100K × 20% = $20,000 deferred
Frequently Asked Questions
How long does the IRS automatically extend deadlines for disaster victims?
Under §7508A, the IRS postpones filing and payment deadlines for taxpayers in a federally declared disaster area. The postponement period is typically 6 months (180 days), but the IRS has granted up to a full year in major disasters. The relief applies automatically to those with an IRS address of record in the disaster area — no form needed. It covers Form 1040, estimated tax payments, payroll deposits, and most other IRS deadlines.
What qualifies as an employer §139 disaster relief payment?
Under §139, employer payments to employees for "reasonable and necessary personal, family, living, or funeral expenses" due to a qualified disaster are excluded from the employee's gross income. Qualifying expenses include housing repairs or temporary lodging, meals, transportation, medical expenses not covered by insurance, and funeral costs. The payments must relate to a qualified disaster — a federally declared disaster, terrorist or military action, or other presidentially declared emergency.
What is the §1033 involuntary conversion deferral?
Section 1033 allows taxpayers to defer recognizing gain on involuntary conversions (fire, flood, condemnation, theft) if the insurance proceeds are reinvested in similar or related-use property within the replacement period. For most property, the replacement period is 2 years from the end of the tax year in which the gain is realized. For condemned real property used in business or held for investment, the period extends to 3 years. Gain is only recognized to the extent the proceeds exceed the replacement property cost.
Do I need to file anything to get the §7508A deadline extension?
No filing is required if you have an IRS address of record in the disaster area. The IRS grants relief automatically. However, if your address is outside the disaster area but you were affected (e.g., your business is in the area or your records are there), you should call the IRS at 1-866-562-5227 to request relief. Write the disaster designation number on your return when you eventually file, and attach a brief explanation if relevant.
Is the §139 disaster relief exclusion subject to any dollar limit?
No. There is no dollar cap on the §139 exclusion for employer-provided disaster relief payments. However, the payments must be for "reasonable and necessary" expenses — the IRS expects the amounts to be commensurate with actual disaster-related needs. Payments must also not replace compensation that would otherwise be required (i.e., you cannot convert wages into tax-free disaster relief payments). Document each payment with receipts or a brief description of the qualifying expense.