Cross-Contamination with Impurity in Wet, Moist, and Liquid Conditions: Critical Insights from al-Syafi’i’s Fiqh Discourse and the Malaysian Halal Standard Requirements

This article investigates cross-contamination management in halal logistics by bridging classical al-Sh?fi??’s fiqh discourse with contemporary Malaysian halal standards to provide a coherent analytical framework. Specific attention is given to wet, moist, and liquid conditions, which significantly increase the likelihood and severity of impurity transfer in supply chain operations. Drawing from authoritative Syafi‘i texts from the rulings on a dead mouse in ghee, to the seven-wash requirement for canine-related impurities, and the jurisprudential distinction between solid and liquid substances, the study demonstrates how classical legal reasoning provides a coherent conceptual framework for understanding impurity dynamics. These doctrinal insights are then aligned with regulatory provisions in MS 1500 and the MS 2400 series, which mandate segregation, environmental control, specialised sanitation, and risk-based handling procedures. By integrating fiqh principles with contemporary logistical practices, this article illustrates how traditional jurisprudence continues to offer practical relevance in addressing the modern logistics operational challenges. The analysis ultimately argues that combining classical frameworks with regulatory standards strengthens halal governance, enhances consistency in contamination control, and provides a robust, evidence-aligned foundation for safeguarding halal integrity across increasingly complex supply chains. This synthesis reinforces the enduring utility of Syafi‘i thought in shaping an effective and comprehensive halal logistics management system.