# Commission Delegated Regulation (EU) 2015/35 of 10 October 2014 supplementing Directive 2009/138/EC of the European Parliament and of the Council on the taking-up and pursuit of the business of Insurance and Reinsurance (Solvency II) (Text with EEA relevance) (revoked), Division (5): The mean squared error of prediction shall be equal to the following:

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Status: repealed

where:
(a)for all accident years and development years, denotes the cumulative claim estimate in the specific accident year i and development year j, as set out in paragraph 4(c).
(b)for all development years, Sj denotes for a specific development year j the following amount:
Sj=∑i=0I−j−1Ci,j
(c)for all development years, S′j denotes for a specific development year j the following amount:
S′j=∑i=0I−jCi,j
(d)for all development years, denotes for a specific development year j the following amount:
where:
(i)denotes the development factor estimate of development year j as set out in paragraph 4(c);
(ii)denotes the following amount:

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Source: https://www.legislation.gov.uk/eur/2015/35/annex/XVII/division/D/division/2/division/5 (the official version)
Page: https://openlegislation.uk/eu-regulation-2015-35/annex-XVII/division-D/division-2/division-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.