(49)The scenario-based calculations of the non-life and health catastrophe risk sub-modules of the standard formula should be based on the specification of catastrophe losses that are gross, without deduction of the amounts recoverable from reinsurance contracts and special purpose vehicles. Insurance and reinsurance undertakings should allow for the risk-mitigating effect of their specific reinsurance contracts and special purpose vehicles when they determine the change in basic own funds resulting from the scenario.