You plan to create a field for an entity to capture data in a consistent format. When a user adds a record for the entity, the choices provided to the user for the field often change or become…

You plan to create a field for an entity to capture data in a consistent format. When a user adds a record for the entity, the choices provided to the user for the field often change or become outdated. The choices must not be available for new records. You need to create the field while minimizing the administrative overhead to maintain the field. Which field type should you use?