Paying Expenses in Advance: The 12-Month Rule
When a business can deduct prepaid insurance, rent, subscriptions, and contracts in the year it pays, and when the deduction has to be spread out.
Reviewed by the Fairlight Accounting cross-border tax team — U.S. & Canadian Tax Desks
The 12-month rule lets a cash-method business deduct a prepaid expense in the year it pays, as long as the benefit does not extend beyond the earlier of 12 months after the benefit begins or the end of the following tax year. Longer prepayments must be spread over the period they cover. Accrual-method businesses face extra limits.
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How does the rule work?
Two tests must both be met: the right or benefit lasts no more than 12 months from when it begins, and it does not extend beyond the end of the next tax year.
| Prepayment (paid December 2026) | Benefit period | Deductible in 2026 (cash method)? |
|---|---|---|
| Annual insurance policy | Jan 1–Dec 31, 2027 | Yes |
| 12-month software subscription | Jan 1–Dec 31, 2027 | Yes |
| Rent for January–June 2027 | 6 months | Yes |
| Two-year service contract | 24 months | No — spread over the term |
| Insurance policy starting July 1, 2027 | Ends June 30, 2028, beyond 2027 | No |
Does it apply to accrual-method businesses?
The capitalization rule is the same, but an accrual business also needs economic performance before deducting. For insurance and warranty or service contracts, economic performance occurs as payment is made. For rent, it occurs ratably over the period the business is entitled to use the property. For services or property provided to the business, it generally occurs as they are provided, though a business may treat them as provided when it pays if it reasonably expects them within three and a half months. The recurring item exception, a method the business adopts, lets a recurring expense count as incurred in the year its liability becomes fixed if economic performance occurs by the earlier of the timely filed return date (with extensions) or eight and a half months after year end, and the amount is immaterial or the earlier deduction better matches income.
What cannot be deducted early?
- Prepaid interest — deductible only over the period it relates to, including points on most business loans.
- Deposits that are refundable or security for performance.
- Inventory — deducted as sold, not when bought.
- Costs that create a long-term asset, such as multi-year licenses, which are capitalized.
Is this a good year-end strategy?
It shifts deductions, not total deductions. Prepaying makes sense when this year's rate is higher than next year's, or when it smooths an unusually profitable year. Prepaying simply to lower one year's tax without a business reason can draw scrutiny. Make sure the payment is actually made and the vendor actually bills for the period.
Frequently asked questions
Do I need to elect the 12-month rule?
No. It applies automatically, but if you have been capitalizing such costs, changing to the rule is a method change on Form 3115.
Does charging the expense to a credit card count as payment?
Yes. A charge to a credit card counts as payment when charged.
Can an S corporation owner prepay personally and deduct?
No. The business must make the payment. Owners paying personally should be reimbursed under an accountable plan.
Does the rule apply to state taxes?
State tax payments follow their own deduction rules and are not covered by the 12-month rule.
Official sources
The regulation provides: “Paragraph (f) of this section provides a 12-month rule intended to simplify the application of the general principle to certain payments that create benefits of a brief duration.” — U.S. Department of the Treasury, 26 CFR 1.263(a)-4 -- Amounts paid to acquire or create intangibles., https://www.ecfr.gov/current/title-26/section-1.263(a)-4
The IRS explains: “An expense you pay in advance is deductible only in the year to which it applies, unless the expense qualifies for the 12-month rule.” — Internal Revenue Service, Publication 538 (01/2022), Accounting Periods and Methods, https://www.irs.gov/publications/p538
Next step
Fairlight Accounting handles U.S. domestic, cross-border (U.S.–Canada), and international tax returns, plus bookkeeping, payroll, and CFO advisory. Our U.S. Tax Desk plans year-end prepayments around your projected rates. See pricing or book a free fit call.
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