In a debt capital markets (DCM) transaction, ‘due diligence’ is the term given to the process of identifying, collating and checking information on the issuer, its business, the market in which it operates and the legal and regulatory regime to which it is subject. The results will be disclosed to potential investors as part of the offering process. STOP PRESS: On 17 June 2025, the European Commission published its long-awaited review of the EU Securitisation Framework, accompanied by a comprehensive legislative proposal to amend the EU Securitisation Regulation (Regulation (EU) 2017/2402). Amendments to the EU Securitisation Regulation relate to due diligence among other things. The proposal is progressing through the process, although final legislation as not yet been adopted. Reasons for conducting due diligence In transactions in the international investment grade public DCM, it is usually the lead manager (or, in the event of a programme, the arranger) who manages the due diligence exercise on behalf of all the managers/dealers. The main purposes of due diligence are: • to ensure, as far as possible, that the