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The increasing prevalence of trade, economic, and financial sanctions has significantly impacted the operation of letters of credit in international trade. As a response to the evolving regulatory landscape, banks have introduced sanctions clauses in letters of credit to mitigate the risks associated with compliance failures. These clauses grant financial institutions the discretion to withhold payment if a transaction is deemed to violate applicable sanctions laws or internal policies. However, the inclusion of sanctions clauses has introduced legal uncertainties and challenges, particularly in relation to the fundamental principles governing letters of credit namely, the independence principle and the doctrine of strict compliance.
This study critically examines the legal implications of sanctions clauses in letters of credit by exploring their effect on international trade, banking obligations, and the enforcement of contractual rights. It employs a doctrinal research methodology to analyse case law, international frameworks, and academic discourse, with a specific focus on the treatment of sanctions clauses in Singapore and the United Kingdom. Through a comparative legal analysis, this study assesses how courts in these jurisdictions have addressed the validity and enforceability of sanctions clauses, drawing lessons for potential application in South African law, where judicial precedent on the issue is absent. The findings highlight the tension between compliance with international sanctions regimes and the core function of letters of credit in facilitating trade by ensuring payment certainty. While courts have generally upheld sanctions clauses when they are clear, unambiguous, and aligned with public policy, concerns arise when such clauses introduce excessive discretion or undermine the commercial purpose of letters of credit. The study recommends that sanctions clauses be narrowly drafted to reference only mandatory legal requirements, avoiding vague terms that could create uncertainty for beneficiaries and intermediary banks. Furthermore, an objective interpretative approach should be adopted in determining the enforceability of such clauses to balance regulatory compliance with the contractual obligations inherent in letters of credit.
This research contributes to the discourse on financial regulation and trade finance by providing a structured legal analysis of sanctions clauses and their broader implications for international banking and commerce. It also serves as a guide for policymakers, legal practitioners, and financial institutions in drafting and interpreting sanctions clauses in a manner that preserves the integrity of letters of credit while ensuring compliance with evolving regulatory frameworks.