Definition: Commercial risk
External debt - IMF
In the context of export credits, the risk of nonpayment by a nonsovereign or private sector buyer or borrower in his or her domestic currency arising from default, insolvency, and/or a failure to take up goods that have been shipped according to the supply contract (contrasted with transfer risk arising from an inability to convert domestic currency into the currency in which the debt service is payable, or with broader political risk).
International Monetary Fund (IMF), "External Debt Statistics: Guide for Compilers and Users; Appendix III. Glossary of External Debt Terms", Washington D.C., 2003