Seventeen cases of violation have been reported in fish trade units for failing to deliver safe, high-quality fish products with proof of origin. The most severe case involved the seizure of 57 kg of unmarked fish in Miskolc. The article reminds fish trade units of the legal necessity to label and prove the origin of fish products to ensure food safety, threatening to impose fines ranging from HUF 100,000 to 500,000 for non-compliance.