Current Expected Credit Loss (CECL)

Current expected credit loss (CECL) is the US accounting standard for estimating loan losses. It requires a lender to estimate the losses it expects over the full life of its loans, starting on the day each loan is made, and to update that estimate every reporting period. The Financial Accounting Standards Board (FASB) issued CECL in June 2016 as Accounting Standards Update 2016-13. It is now part of US generally accepted accounting principles (GAAP), in Topic 326.

CECL replaced the older "incurred loss" method. Under that method, lenders recorded a loss only once it was probable that the loss had already happened. Critics said this recognized losses too late, as the 2008 financial crisis showed. CECL asks lenders to look ahead instead, using past experience, current conditions, and reasonable and supportable forecasts.

The estimate becomes the allowance for credit losses: the loan loss reserve shown on the balance sheet.

Timing. Large public companies adopted CECL first. All other entities that follow GAAP, including private companies, smaller public companies, credit unions and nonprofit loan funds, had to adopt it for fiscal years beginning after December 15, 2022.

Why it matters for lenders

CECL changed how much data a lender needs. Lenders estimate lifetime losses for pools of loans that share risk traits, such as product type, risk rating or collateral type. That takes history: how loans in each pool performed, when they became delinquent, and what was lost when they were charged off.

FASB doesn't require one specific method. Smaller lenders often use simpler approaches, such as historical loss rates adjusted for current conditions. Even so, auditors and examiners expect the method to be written down, the data to be reliable and every adjustment to be explained.

The allowance also hits earnings: each increase is recorded as an expense, so a sudden jump can wipe out a quarter's profit.

How it works in practice

A nonprofit loan fund with 400 loans sets up its CECL model. It groups loans into pools by product: microloans, small business term loans and real estate loans. For each pool, it pulls ten years of history to find the average lifetime loss rate.

Each quarter, the finance director applies those rates to current balances. She adjusts them for rising local unemployment and for weaker recent payments in one pool. She writes down each adjustment and its reason for the auditor.

The hardest part is often the data. If payment history, status changes and charge-offs live in old spreadsheets or a retired system, the fund can't build reliable pools. A loan record that keeps its full history makes the estimate easier to build and to defend.