1. The originator institution of a synthetic securitisation may calculate risk-weighted exposure amounts, and, where relevant, expected loss amounts with respect to the underlying exposures in accordance with Articles 251 and 252, where either of the following conditions is met:
(a) significant credit risk has been transferred to third parties either through funded or unfunded credit protection;
(b) the originator institution applies a 1 250 % risk weight to all securitisation positions that it retains in the securitisation or deducts these securitisation positions from Common Equity Tier 1 items in accordance with point (k) of Article 36(1).
2. Significant credit risk shall be considered as transferred in either of the following cases:
(a) the risk-weighted exposure amounts of the mezzanine securitisation positions held by the originator institution in the securitisation do not exceed 50 % of the risk-weighted exposure amounts of all mezzanine securitisation positions existing in this…