Development of S-121 for Maritime Limits and Boundaries

The United Nations Convention on the Law of Sea (UNCLOS) establishes guidelines for management coastal States’ maritime limits and boundaries information. For consistent deposit under UNCLOS, a standards-based approach is required. This article describes development this through IHO S-121 standard. Requirements are outlined, followed by data model methodology. Results outline structure show how meets UNCLOS requirements. represents significant advancement will help States meet their obligations.