1. The input parameters PD, LGD and maturity value (M) into the calculation of risk weighted exposure amounts and expected loss amounts specified in Part 1 shall be those estimated by the credit institution in accordance with Part 4, subject to the following provisions.
1. EXPOSURES TO CORPORATES, INSTITUTIONS AND CENTRAL GOVERNMENTS AND CENTRAL BANKS
1.1. PD
2. The PD of an exposure to a corporate or an institution shall be at least 0,03 %.
3. For purchased corporate receivables in respect of which a credit institution cannot demonstrate that its PD estimates meet the minimum requirements set out in Part 4, the PDs for these exposures shall be determined according to the following methods: for senior claims on purchased corporate receivables PD shall be the credit institutions estimate of EL divided by LGD for these receivables. For subordinated claims on purchased corporate receivables PD shall be the credit institution's estimate of EL. If a credit institution is permitted to use ow
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