What term refers to constraints that a project must legally adhere to?

The term that best refers to constraints that a project must legally adhere to is "Mandated constraints." This designation encompasses any limitations or requirements imposed by legal standards, regulations, or laws that need to be followed during the project development and implementation process. Such constraints are critical to ensure that the project complies with applicable legal frameworks and protects both the organization and its stakeholders from legal repercussions.

Understanding mandated constraints is essential for interactive design, as failure to adhere to these requirements could lead to significant legal issues, fines, or the inability to deploy the project. While other choices reflect important considerations within a project—such as the technical environment, which involves the technologies and platforms used, the organizational environment dealing with organizational policies and culture, and user-based constraints which pertain to the needs and preferences of users—they do not specifically capture the legal obligations that are central to mandated constraints.