1.An issue share limit per international securities identification number (ISIN) shall apply under the CSPP, after consolidating holdings in all of the portfolios of the Eurosystem central banks. The issue share limit shall be 70 % per ISIN for all corporate bonds other than public sector corporate bonds.
A lower issue share limit may apply in specific cases, including for public sector corporate bonds or for risk management reasons. Public sector corporate bonds shall be dealt with in a manner consistent with their treatment under the PSPP.
2.The Eurosystem shall conduct appropriate credit risk and due diligence procedures on eligible corporate bonds on an ongoing basis.
3.The Eurosystem shall define additional purchase limits for issuer groups based on a benchmark allocation related to an issuer group's market capitalisation to ensure a diversified allocation of purchases across issuers and issuer groups.