Article 56
Proportionality
In determining whether a method of calculating technical provisions is proportionate, insurance and reinsurance undertakings shall carry out an assessment which includes:
an assessment of the nature, scale and complexity of the risks underlying their insurance and reinsurance obligations;
an evaluation in qualitative or quantitative terms of the error introduced in the results of the method due to any deviation between the following:
the assumptions underlying the method in relation to the risks;
the results of the assessment referred to in point (a).
A method shall be considered to be disproportionate to the nature, scale and complexity of the risks if the error referred to in point (b) of paragraph 2 leads to a misstatement of technical provisions or their components that could influence the decisions-making or judgment of the intended user of the information relating to the value of technical provisions, unless one of the following conditions are met:
no other method with a smaller error is available and the method is not likely to result in an underestimation of the amount of technical provisions;
the method leads to an amount of technical provisions of the insurance or reinsurance undertaking that is higher than the amount that would result from using a proportionate method and the method does not lead to an underestimation of the risk inherent in the insurance and reinsurance obligations that it is applied to.