ISO 18538:2015规定了养殖软体动物供应链（不包括头足类）中记录的信息，以建立源自养殖软体动物的产品的可追溯性。它规定了如何识别交易的软体动物产品，以及每个通过分销链进行实际交易的食品企业在这些产品上生成和持有的信息。它专门针对人类从农场到零售商或餐饮服务商的软体动物及其产品的分销。

ISO 18538:2015 specifies the information to be recorded in farmed molluscs supply chains (excluding cephalopods) in order to establish the traceability of products originating from farm-raised molluscs. It specifies how molluscan products traded are to be identified and the information to be generated and held on those products by each of the food businesses that physically trade them through the distribution chains. It is specific to the distribution for human consumption of molluscs and their products from farm through to retailers or caterers.