Accounting policies for the consolidated balance sheet and profit and loss account (continued)
Critical accounting policies continued
Loan loss provisions
Loan loss provisions are recognised based on an incurred loss model. Considerable judgement is exercised in determining the extent of the loan loss provision (impairment) and is based on the management’s evaluation of the risk in the portfolio, current economic conditions, loss experience in recent years and credit, industry and geographical concentration trends. Changes in such judgements and analyses may lead to changes in the loan loss provisions over time.
The identification of impairment and the determination of the recoverable amount are an inherently uncertain process involving various assumptions and factors including the financial condition of the counterparty, expected future cash flows, observable market prices and expected net selling prices.
Future cash flows in a portfolio of financial assets that are collectively evaluated for impairment are estimated on the basis of the contractual cash flows of the assets in the portfolio and historical loss experience for assets with credit risk characteristics similar to those in the portfolio. Historical loss experience is adjusted on the basis of current observable data to reflect the effects of current conditions that did not affect the period on which the historical loss experience is based and to remove the effects of conditions in the historical period that do not exist currently. Current observable data may include changes in unemployment rates, property prices and commodity prices. The methodology and assumptions used for estimating future cash flows are reviewed regularly to reduce any differences between loss estimates and actual loss experience.
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