1. Where insurance and reinsurance undertakings calculate undertaking-specific parameters they shall use, for each parameter, the standardised methods set out in Annex XVII as follows:
(a) the premium risk method for undertaking-specific parameters replacing the standard parameters referred to in Article 218(1)(a)(i), (a)(ii), (c)(i) and (c)(ii);
(b) the reserve risk method 1 or the reserve risk method 2 for undertaking-specific parameters replacing the standard parameters referred to in Article 218(1)(a)(iv), and (c)(iv);
(c) where there is a recognisable excess of loss reinsurance contract, the non-proportional reinsurance method 1, or, where there is a recognisable stop loss reinsurance contract, the non-proportional reinsurance method 2 for undertaking-specific parameters replacing the standard parameters referred to in Article 218(1)(a)(iii) and (c)(iii);
(d) the revision risk method for undertaking-specific parameters replacing the standard parameters referred to in Article 218(1
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