Version status: Applicable | Document consolidation status: Updated to reflect all known changes
Version date: 1 January 2014 - 27 June 2021
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Article 105 Requirements for prudent valuation

1. All trading book positions shall be subject to the standards for prudent valuation specified in this Article. Institutions shall in particular ensure that the prudent valuation of their trading book positions achieves an appropriate degree of certainty having regard to the dynamic nature of trading book positions, the demands of prudential soundness and the mode of operation and purpose of capital requirements in respect of trading book positions.

2. Institutions shall establish and maintain systems and controls sufficient to provide prudent and reliable valuation estimates. Those systems and controls shall include at least the following elements:

(a) documented policies and procedures for the process of valuation, including clearly defined responsibilities of the various areas involved in the determination of the valuation, sources of market information and review of their appropriateness, guidelines for the use of unobservable inputs reflecting the institution's assumptions of wha