The spread of microplastics in fisheries products poses an immediate danger to food safety, the environment, and international commerce, particularly for Indonesia, one of the world’s top seafood exporters. This paper evaluates the legal adequacy of Codex Alimentarius standards regarding microplastics pollution in the domain of Indonesian fisheries law. This study employs a normative legal approach alongside a comparative analysis of the Indonesian laws on food safety and the environment to pinpoint gaps in legislation and international standards, as well as structural obstacles to the integration of international benchmarks. It also studies policy practices from the European Union to extract lessons applicable to Indonesia. By analyzing microplastic regulation under Codex Alimentarius, this study challenges existing assumptions where the guidance is considered “soft law” by legal scholars and aims to fill a gap in legal discourse. Furthermore, the study illustrates a step-by-step approach to domesticating the Codex through international law on environment and trade by suggesting a framework that would enable them to be implemented. The results clearly indicate the urgency to reinforce the control system in Indonesia to reconcile it with international instruments of law in terms of human health and sustainable commerce. This research highlights emerging issues regarding the intersection of food safety, environmental crime, and international legal oversight in lower-income nations where scholarly literature is scarce.
                        
                        
                        
                        
                            
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