1. Insurance and reinsurance undertakings shall provide for an effective actuarial function to:
(a) coordinate the calculation of technical provisions;
(b) ensure the appropriateness of the methodologies and underlying models used as well as the assumptions made in the calculation of technical provisions;
(c) assess the sufficiency and quality of the data used in the calculation of technical provisions;
(d) compare best estimates against experience;
(e) inform the administrative, management or supervisory body of the reliability and adequacy of the calculation of technical provisions;
(f) oversee the calculation of technical provisions in the cases set out in Article 82;
(g) express an opinion on the overall underwriting policy;
(h) express an opinion on the adequacy of reinsurance arrangements; and
(i) contribute to the effective implementation of the risk-management system referred to in Article 44, in particular with respect to the risk modelling underlying the calculation of the ca
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