Article 121
Statistical quality standards
The methods used to calculate the probability distribution forecast shall be based on adequate, applicable and relevant actuarial and statistical techniques and shall be consistent with the methods used to calculate technical provisions.
The methods used to calculate the probability distribution forecast shall be based upon current and credible information and realistic assumptions.
Insurance and reinsurance undertakings shall be able to justify the assumptions underlying their internal model to the supervisory authorities.
Data used for the internal model shall be accurate, complete and appropriate.
Insurance and reinsurance undertakings shall update the data sets used in the calculation of the probability distribution forecast at least annually.
No particular method for the calculation of the probability distribution forecast shall be prescribed.
Regardless of the calculation method chosen, the ability of the internal model to rank risk shall be sufficient to ensure that it is widely used in and plays an important role in the system of governance of insurance and reinsurance undertakings, in particular their risk-management system and decision-making processes, and capital allocation in accordance with Article 120.
The internal model shall cover all of the material risks to which insurance and reinsurance undertakings are exposed. Internal models shall cover at least the risks set out in Article 101(4).
In their internal model, insurance and reinsurance undertakings may take account of future management actions that they would reasonably expect to carry out in specific circumstances.
In the case set out in the first subparagraph, the undertaking concerned shall make allowance for the time necessary to implement such actions.