Integrated supply chain management has gained increased attention from both researchers and practitioners in recent times, including developing models to describe the elements and activities of a supply chain. Among these models, the Supply Chain Operations Reference (SCOR) model, which is considered to be the most well-known approach, enables next-generation supply chain management. This paper proposes a process design model for mapping the customs supply chain network. Such a mapping aims to describe the processes and the management practices that produce best-in-class integration, and a standard alignment to process features and functionality. Moreover, this model provides a general framework to promote better understanding of a particular customs supply chain by means of mapping it in business process terms and furnishes an adaptable formalism to effectively managing any context of the customs environment.