# Directive 2006/49/EC of the European Parliament and of the Council of 14 June 2006 on the capital adequacy of investment firms and credit institutions (recast) (repealed), Division 28: The institution shall then calculate the modified duration of each debt instrument on the basis of the following formula: modified duration = ((duration (D))/(1 + r)), where:

Extent: E+W+S+N.I.
Status: repealed

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Source: https://www.legislation.gov.uk/eudr/2006/49/annex/I/division/4/division/3/division/b/division/28 (the official version)
Page: https://openlegislation.uk/eu-directive-2006-49/annex-I/division-4/division-3/division-b/division-28
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.