Article 406

1. Before becoming exposed to the risks of a securitisation, and as appropriate thereafter, institutions shall be able to demonstrate to the competent authorities for each of their individual securitisation positions, that they have a comprehensive and thorough understanding of and have implemented formal policies and procedures appropriate to their trading book and non-trading book and commensurate with the risk profile of their investments in securitised positions for analysing and recording:

(a) information disclosed under Article 405(1), by originators, sponsors or original lenders to specify the net economic interest that they maintain, on an ongoing basis, in the securitisation;

(b) the risk characteristics of the individual securitisation position;

(c) the risk characteristics of the exposures underlying the securitisation position;

(d) the reputation and loss experience in earlier securitisations of the originators or sponsors in the relevant exposure classes underlying the securitisation position;

(e) the statements and disclosures made by the originators or sponsors, or their agents or advisors, about their due diligence on the securitised exposures and, where applicable, on the quality of the collateral supporting the securitised exposures;

(f) where applicable, the methodologies and concepts on which the valuation of collateral supporting the securitised exposures is based and the policies adopted by the originator or sponsor to ensure the independence of the valuer;

(g) all the structural features of the securitisation that can materially impact the performance of the institution's securitisation position, such as the contractual waterfall and waterfall related triggers, credit enhancements, liquidity enhancements, market value triggers, and deal-specific definitions of default.

Institutions shall regularly perform their own stress tests appropriate to their securitisation positions. To this end, institutions may rely on financial models developed by an ECAI provided that institutions can demonstrate, when requested, that they took due care prior to investing to validate the relevant assumptions in and structuring of the models and to understand methodology, assumptions and results.

2. Institutions, other than when acting as originators or sponsors or original lenders, shall establish formal procedures appropriate to their trading book and non-trading book and commensurate with the risk profile of their investments in securitised positions to monitor on an ongoing basis and in a timely manner performance information on the exposures underlying their securitisation positions. Where relevant, this shall include the exposure type, the percentage of loans more than 30, 60 and 90 days past due, default rates, prepayment rates, loans in foreclosure, collateral type and occupancy, and frequency distribution of credit scores or other measures of credit worthiness across underlying exposures, industry and geographical diversification, frequency distribution of loan to value ratios with band widths that facilitate adequate sensitivity analysis. Where the underlying exposures are themselves securitisation positions, institutions shall have the information set out in this subparagraph not only on the underlying securitisation tranches, such as the issuer name and credit quality, but also on the characteristics and performance of the pools underlying those securitisation tranches.

Institutions shall also apply the same standards of analysis to participations or underwritings in securitisation issues purchased from third parties whether such participations or underwritings are to be held on their trading or non-trading book.