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CECL (current expected credit losses) is the US GAAP model in ASC 326 that requires a company to estimate, from the day a receivable is recorded, the portion it expects never to collect, and to carry an allowance for that amount. Any company that sells on credit and reports under GAAP applies it to trade receivables, contract assets and lease receivables, so it reaches manufacturers, distributors and SaaS companies as well as banks.

For most non-banks, CECL compliance in 2026 comes down to an aging matrix adjusted for current conditions, a short policy memo and a handful of footnote disclosures. ASU 2025-05, effective for annual periods beginning after December 15, 2025, simplifies the forecasting step for current receivables and contract assets.

What CECL Requires Under ASC 326

The FASB issued ASU 2016-13 in June 2016 and codified it as ASC 326, Financial Instruments, Credit Losses. Deloitte's summary of the key provisions of ASU 2016-13 sets out the core features:

  • The allowance reflects losses expected over the contractual life of the asset.
  • There is no recognition threshold. Impairment is based on expected credit losses, where the older models waited until a loss was probable and incurred.
  • The estimate draws on historical loss experience, current conditions, and reasonable and supportable forecasts.
  • Assets that share similar risk characteristics are evaluated together as a pool.
  • The allowance reflects a risk of loss even if that risk is remote.

The allowance works as a contra-asset. Gross receivables stay on the balance sheet at their invoiced amount, the allowance reduces them to the net amount you expect to collect, and changes in the allowance run through earnings as credit loss expense. Under ASC 326-20-35-8, write-offs are deducted from the allowance "in the period in which the financial asset(s) are deemed uncollectible."

The standard is part of generally accepted accounting principles, so tax-basis or cash-basis statements do not apply it.

Which Assets Fall Under CECL for Non-Banks

The scope paragraph, ASC 326-20-15-2, is reproduced in Deloitte's scope overview. For a commercial company, the items that matter are:

  • financial assets measured at amortized cost, which includes receivables from revenue transactions under Topic 606 (ordinary trade receivables) and contract assets;
  • net investments in leases recognized by a lessor under Topic 842;
  • off-balance-sheet credit exposures not accounted for as insurance, such as certain guarantees and loan commitments;
  • held-to-maturity debt securities and financing receivables such as notes receivable.

Contract assets arise when you have performed under a contract but your right to bill depends on something other than time, which is common in SaaS revenue recognition under ASC 606 and in construction. Lessors with sales-type or direct financing leases bring their net investment into scope, which ties CECL to ASC 842 lease accounting.

ASC 326-20-15-3 lists what is excluded. Deloitte's page on scope exclusions quotes the list, and the exclusions most relevant to operating companies are:

  • financial assets measured at fair value through net income;
  • available-for-sale debt securities, which follow a separate impairment model in Subtopic 326-30;
  • loans and receivables between entities under common control;
  • receivables arising from operating leases under Topic 842.

Equity securities fall outside the credit loss model altogether, because they are measured under ASC 321 for investments in equity securities.

CECL Effective Dates

ASU 2019-10, issued on November 15, 2019, staggered the effective dates. Deloitte's Heads Up on the effective date deferral lists them as follows.

Entity typeCECL effective forCalendar-year adoption
SEC filers, excluding smaller reporting companiesFiscal years beginning after December 15, 2019, and interim periods thereinJanuary 1, 2020
All other entities (private companies, smaller reporting companies, not-for-profits, benefit plans)Fiscal years beginning after December 15, 2022, and interim periods thereinJanuary 1, 2023
ASU 2025-05 practical expedient (all entities, optional)Annual periods beginning after December 15, 2025, and interim periods within them; early adoption permittedJanuary 1, 2026

A private company still reserving under the old incurred-loss approach has an error, and the correction falls under ASC 250 for accounting changes and error corrections. A change in your loss rates from one year to the next is a change in estimate, recorded prospectively through the provision.

CECL Methods: Loss-Rate and Aging Matrix

ASC 326 does not prescribe a formula. ASC 326-20-30-3, quoted in Deloitte's chapter on measurement methods and techniques, says an entity "may use discounted cash flow methods, loss-rate methods, roll-rate methods, probability-of-default methods, or methods that utilize an aging schedule." The same chapter notes that discounting future losses is not acceptable when using a loss-rate method.

Two methods cover most trade receivable portfolios.

Loss-rate method. You divide historical write-offs by the receivables they came from, producing a single loss percentage for a pool. It suits a homogeneous customer base, though it ignores how aging changes risk.

Aging matrix (aging schedule method). You split receivables into past-due buckets and apply a separate loss rate to each one, since a 75-day-old invoice is far likelier to go bad than a current one. Because it starts from the aging report most teams already run, it is the usual choice for trade receivables.

Whichever method you choose, ASC 326-20-30-8 treats historical credit loss experience for assets with similar risk characteristics as the starting point. Deloitte's discussion of the CECL information set adds that an entity "shall not rely solely on past events" and, beyond the period it can forecast, "shall revert to historical loss information." Government customers and small retail accounts, for example, often belong in separate pools.

Good inputs depend on a clean AR subledger. Practitioner guidance is to reconcile the aging to the general ledger every month, a step built into a 5-day close with AP, AR and reconciliation SOPs, and to keep at least three years of write-off history by bucket.

The ASU 2025-05 Practical Expedient

On July 30, 2025, the FASB issued ASU 2025-05, Measurement of Credit Losses for Accounts Receivable and Contract Assets. According to Deloitte's Heads Up on ASU 2025-05, it does the following:

  • Scope. It applies to current accounts receivable and current contract assets that arise from transactions accounted for under ASC 606. Long-term receivables, notes and lease receivables are outside it.
  • Practical expedient (all entities). In developing reasonable and supportable forecasts, an entity may elect to assume "that current conditions as of the balance sheet date do not change for the remaining life of the asset." For short-dated receivables, this removes the need to build a macroeconomic forecast.
  • Policy election (entities other than public business entities). A private company or not-for-profit that elects the expedient may also make an accounting policy election "to consider collection activity after the balance sheet date."
  • Effective date and transition. The amendments are effective for annual reporting periods beginning after December 15, 2025, and interim periods within them, with early adoption permitted. They apply prospectively.

The expedient does not freeze your historical rates. Deloitte's information-set chapter states that it "does not relieve the entity of the need to adjust historical loss information" where that history does not reflect current conditions. What you skip is projecting how the economy will move.

For a calendar-year company that did not adopt early, 2026 is the first year the expedient is available. Record the decision, and any subsequent-collections election, in the policy memo. The election can be applied only with the expedient and is not available to public business entities.

Worked CECL Example: Aging Matrix for Trade Receivables

The following example is illustrative. A private distributor with calendar-year reporting has $1,200,000 of gross trade receivables at December 31, 2026, and has elected the ASU 2025-05 practical expedient. Its historical loss rates come from three years of write-offs tracked by aging bucket. Management observes that collections from its retail segment have slowed compared with the lookback period, so it applies a 10% upward adjustment to each historical rate for current conditions. Under the expedient, it assumes those conditions hold for the remaining life of the receivables and builds no further forecast.

Aging bucketGross balanceHistorical loss rateAdjusted rate (x 1.10)Expected credit loss
Current$820,0000.50%0.55%$4,510
1 to 30 days past due$210,0002.00%2.20%$4,620
31 to 60 days past due$95,0006.00%6.60%$6,270
61 to 90 days past due$40,00015.00%16.50%$6,600
Over 90 days past due$35,00045.00%49.50%$17,325
Total$1,200,000$39,325

Without the adjustment, the historical rates alone produce $35,750. With it, the required allowance is $39,325, about 3.28% of gross receivables, and net receivables on the balance sheet are $1,160,675.

The allowance rollforward for the year then looks like this:

Allowance activity, 2026Amount
Beginning balance, January 1$26,000
Provision for expected credit losses$26,625
Write-offs charged against the allowance($14,500)
Recoveries of amounts previously written off$1,200
Ending balance, December 31$39,325

The provision is the balancing figure: $39,325 minus $26,000, plus $14,500 of write-offs, minus $1,200 of recoveries, equals $26,625. The year-end entry debits credit loss expense and credits the allowance for that amount.

If the distributor also makes the private-company policy election under ASC 326-20-30-10E through 30-10H, it considers cash collected after year-end, through an evaluation date it selects that falls before the financial statements are available to be issued. Balances collected by that date carry no allowance. Every balance still unpaid is measured with the practical expedient, using its delinquency status as of the evaluation date instead of December 31. Historical loss rates may, but need not, be updated for the later collection activity.

Suppose the distributor selects February 15, 2027. By then it has collected $1,060,000 of the $1,200,000, and the remaining $140,000 is aged as of February 15. Keeping the adjusted rates unchanged:

Aging at February 15, 2027 (uncollected only)BalanceAdjusted rateExpected credit loss
1 to 30 days past due$55,0002.20%$1,210
31 to 60 days past due$25,0006.60%$1,650
61 to 90 days past due$15,00016.50%$2,475
Over 90 days past due$45,00049.50%$22,275
Total$140,000$27,610

The December 31, 2026 allowance would be $27,610 instead of $39,325, net receivables would be $1,172,390, and the provision in the rollforward would fall to $14,910 ($27,610 minus $26,000, plus $14,500, minus $1,200). The company discloses February 15, 2027 as the date through which it considered subsequent collection activity.

Rising expected losses in older buckets also flag collection problems that affect working capital management early.

CECL Disclosures for Trade Receivables

ASC 326-20-50 sets the disclosure requirements, and Deloitte's disclosure chapter walks through each paragraph. For a company whose receivables are mostly short-term trade balances, the main items are:

  • Methodology. "A description of the entity's accounting policies and methodology to estimate the allowance for credit losses," including the pools used and the inputs, plus what changed the estimate during the period (ASC 326-20-50-10 and 50-11).
  • Allowance rollforward. By portfolio segment: the beginning balance, the current-period provision, write-offs charged against the allowance, recoveries collected and the ending balance (ASC 326-20-50-13).
  • ASU 2025-05 elections. Whether you elected the practical expedient and, for a private company, whether you also made the subsequent-collections policy election, plus "the date through which it has considered subsequent collection activity" (ASC 326-20-50-12A and 50-12B).

There is relief for short-term balances. Three paragraphs exempt "trade receivables due in one year or less" that result from Topic 606 revenue transactions (credit card receivables excepted): ASC 326-20-50-9 for credit quality indicators, ASC 326-20-50-15 for the past-due aging analysis and ASC 326-20-50-18 for nonaccrual disclosures. A distributor with 30-day terms therefore skips those tables for its trade balances. Receivables due in more than one year, such as extended payment plans, stay subject to them. Public business entities with financing receivables also present gross write-offs by origination year under ASC 326-20-50-6.

Auditors test the allowance as an accounting estimate. Teams preparing for a first external audit should have that file ready before fieldwork. Whether a small allowance attracts detailed testing depends on how auditors set materiality and risk for the engagement.

Practical Steps to Maintain a CECL Allowance

As practitioner guidance, a small or mid-sized company can run CECL as a short routine:

  1. Define pools by customer type or credit risk and document the reasoning.
  2. Build loss rates by aging bucket from write-off and recovery history.
  3. At each reporting date, compare current collection behavior with the lookback period and document any adjustment.
  4. Reconcile the aging to the general ledger, book the provision and prepare the rollforward.
  5. Once a year, test the rates against actual write-offs.

Companies that outsource collections should make sure the provider's aging data feeds the calculation. Our guides on accounts receivable services for small businesses and outsourcing accounts receivable for CPA firms cover how those workflows are set up.

Frequently Asked Questions

What does CECL stand for? CECL stands for current expected credit losses. It is the ASC 326 model, introduced by ASU 2016-13, that requires an allowance for credit losses expected over an asset's life.

Does CECL apply to companies that are not banks? Yes. Any entity reporting under US GAAP applies it to in-scope assets, which include trade receivables, contract assets and lessors' net investments in leases. Receivables between entities under common control and operating lease receivables are excluded.

When did CECL become effective for private companies? For private companies and smaller reporting companies, CECL took effect for fiscal years beginning after December 15, 2022, which meant January 1, 2023 for calendar-year entities.

What is the ASU 2025-05 practical expedient? It lets any entity assume that conditions at the balance sheet date stay the same for the remaining life of current accounts receivable and current contract assets from ASC 606 transactions. It is effective for annual periods beginning after December 15, 2025.

What CECL disclosures does a private company need? The main ones are a description of the methodology, an allowance rollforward showing the provision, write-offs and recoveries, and any ASU 2025-05 elections with the subsequent-collections evaluation date. Credit quality, past-due and nonaccrual disclosures do not apply to trade receivables due in one year or less.

Next Step

Madras Accountancy supports US businesses and CPA firms with bookkeeping, AR reconciliation, financial statement preparation, audit support and CFO-level advisory, including building and documenting allowance calculations for year-end. To discuss your receivables and reporting needs, contact our team.

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