Loan fees are amortized over the contractual life of the loan, from the funding date through the final scheduled maturity date. That is the answer to how long to amortize loan fees for most term debt under both U.S. GAAP and IFRS: the fees cannot be written off when paid, and they cannot be spread over management’s guess about when the loan will actually be repaid. They are capitalized and recognized as interest expense gradually across the borrowing period, matching the cost to the time you have the money.
The Period for Term Loans
For a standard term loan, the amortization period runs from funding to the final contractual maturity date. A five-year loan gets five years of amortization. The contractual life is preferred over an estimated life because it is objective and verifiable, which keeps financial statements comparable across companies.
Renewal periods can extend that clock, but only under specific conditions. Mandatory renewals that the borrower cannot avoid are added to the contractual life. Optional renewals generally are not, unless the renewal right belongs exclusively to the borrower and cannot be cancelled by the lender.
The Period for Revolving Credit
Revolving credit facilities follow a different rule. Fees are amortized ratably over the stated commitment period, regardless of whether any money is actually drawn. Straight-line amortization is generally appropriate here because the commitment is available evenly across the period, and the SEC staff has endorsed this approach.
If the revolver later converts to a term loan, the remaining unamortized costs switch to the effective interest method from the conversion date forward.
Which Fees Actually Get Amortized
Not every cost associated with a financing goes on the amortization schedule. The treatment depends on who you paid.
Fees paid directly to the lender, such as origination fees or points, reduce the loan proceeds. Borrow $1 million, pay a $10,000 origination fee, and you effectively received $990,000; that $10,000 becomes additional interest expense over the life of the loan.
Fees paid to third parties that are directly tied to issuing the loan are also amortized, classified as debt issuance costs. Qualifying costs include payments to attorneys, accountants, financial advisors, underwriters, registration agencies, and printers involved in the issuance. The test is whether the cost is specific to the financing and would not have been incurred without it.
Costs that fail that test are expensed immediately. Allocated management salaries, general overhead, office rent, employee bonuses, and internal administrative costs associated with processing the loan do not qualify, because the company would have paid those people whether or not the loan closed.
Commitment fees on an unused line of credit sit in their own category. They are generally deducted as a business expense in the period they relate to, because they compensate the lender for keeping funds available rather than adjusting the cost of money actually borrowed.
How to Calculate the Amortization
GAAP requires the effective interest method for term debt. The method applies a constant interest rate to the loan’s carrying amount each period, so the dollar amount of amortization shifts slightly period to period as the carrying value changes. The effective interest rate is the rate that exactly discounts the loan’s future cash payments back to its net carrying amount, meaning face value minus unamortized fees.
Straight-line amortization is acceptable only when the results do not materially differ from the effective interest method. For most loans with level payments and modest fee amounts, the difference is negligible and straight-line works as a practical shortcut. For deeply discounted debt or loans with irregular payment schedules, the gap widens and the full effective interest calculation is needed.
IFRS follows the same logic. Under IFRS 9, financial liabilities carried at amortized cost use the effective interest rate, and origination fees are treated as an integral part of that rate. The standard amortizes fees over the expected life of the instrument, with a shorter period used when the fees relate to a specific shorter timeframe.
When the Period Changes
Aborted or Delayed Financings
Before a loan closes, costs already paid sit on the balance sheet as a deferred charge. If the financing falls through, those deferred costs are expensed immediately. A delay of up to 90 days does not count as an aborted deal; beyond that threshold, the costs come off the balance sheet and hit the income statement.
Early Payoff
Repay the loan before maturity and any unamortized fees still on the balance sheet are written off at once. The remaining balance is recognized as expense in the period of extinguishment, typically as interest expense or a loss on debt extinguishment. You cannot carry a fee balance for a debt that no longer exists.
Refinancing and Modification
When loan terms are renegotiated with the same lender, the amortization period depends on whether the new terms are substantially different from the old. Compare the present value of future cash flows under the new terms against the present value of remaining cash flows under the original terms, both discounted at the original loan’s effective interest rate. A difference of 10 percent or more means the old debt is treated as extinguished and the new debt recognized separately.
If the modification counts as an extinguishment, all unamortized fees from the original loan are written off immediately. New fees paid to the lender become part of the new debt’s carrying amount. New third-party fees become debt issuance costs of the new debt and are amortized over its term.
If the modification is not substantial, the original loan continues. Unamortized fees carry forward and are amortized over the modified loan’s remaining life using a recalculated effective interest rate. Any new third-party fees incurred in connection with the modification are expensed as incurred rather than amortized.
The treatment of new fees flips between the two scenarios, and it is easy to apply the wrong one. In a non-substantial modification, lender fees are capitalized and third-party fees are expensed. In an extinguishment, third-party fees are capitalized into the new debt and old lender fees are cleared out as part of the loss.
Tax Timing for Loan Fees
Tax rules land close to GAAP but through different mechanics. Under Treasury regulations, debt issuance costs that must be capitalized are treated as reducing the loan’s issue price, which creates or increases original issue discount. The borrower then deducts that OID over the life of the debt using the constant-yield method, which is the tax equivalent of the effective interest method. When the total OID on a loan is very small, a de minimis straight-line approach may be available.
Commitment fees on revolving credit are deductible as ordinary business expenses in the period they accrue, consistent with book treatment. The IRS has confirmed that quarterly commitment fees computed on unused commitment amounts are currently deductible under Section 162.
If loan fees have been deducted on the wrong schedule in prior years, whether expensed upfront when they should have been amortized or the reverse, correcting the timing requires filing Form 3115, Application for Change in Accounting Method. Many of these corrections qualify for automatic change procedures, with no user fee and no need to wait for IRS approval before making the change.