(6)In order to ensure that valuation standards for supervisory purposes are compatible with international accounting developments, insurance and reinsurance undertakings should use market consistent valuation methods prescribed in international accounting standards adopted by the Commission in accordance with Regulation (EC) No 1606/2002, unless the undertaking is required to use a specific valuation method in relation to an asset or liability or is permitted to use methods based on the valuation method it uses for preparing its financial statements.