Extensible select and enumeration types

and their elements in schema Issue_management_arm taking into account BASED_ON types


 activity_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Activity
          Activity_method
          Applied_activity_assignment
          Contract
          Issue
          Product
          Product_version
          Product_view_definition

 activity_method_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Approval_assignment
          Certification
          Date_or_date_time_assignment
          Observation
          Security_classification

 affected_item_select - EXTENSIBLE SELECT
          Activity_method
          Contract
          Organization
          Person
          Person_in_organization
          Product
          Product_version
          Product_view_definition

 approval_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Activity_actual
          Certification
          Contract
          Event
          Identification_assignment
          Observation
          Product_as_individual
          Product_as_planned
          Product_as_realized
          Product_design_to_individual
          Product_design_version_to_individual
          Product_planned_to_realized
          Product_view_definition
          View_definition_context
          Work_request

 certification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Product_as_individual
          Product_as_planned
          Product_as_realized
          Project

 classification_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Activity
          Activity_relationship
          Applied_activity_assignment
          Conversion_based_unit
          Derived_unit
          Observation
          Observation_relationship
          Product
          Product_as_planned
          Product_as_realized
          Product_category
          Product_design_to_individual
          Product_design_version_to_individual
          Product_planned_to_realized
          Product_version
          Product_view_definition
          Uncertainty_with_unit
          Unit
          Value_with_unit
          View_definition_context

 contract_item - EXTENSIBLE SELECT
          organization_or_person_in_organization_item
          Product_as_individual
          Product_as_planned
          Product_as_realized
          Product_version

 date_or_date_time_item - EXTENSIBLE SELECT
          Certification
          Contract
          Identification_assignment
          Observation
          Organization_or_person_in_organization_assignment
          Product_as_planned
          Product_as_realized
          Product_design_to_individual
          Product_design_version_to_individual
          Product_planned_to_realized
          Product_version
          Product_view_definition
          Security_classification_assignment
          View_definition_context

 event_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Observation

 identification_item - EXTENSIBLE SELECT
          Activity_method
          Address
          Approval
          Approval_status
          Certification
          Contract
          Disposition
          Event
          Organization
          Organization_or_person_in_organization_assignment
          Person
          Person_in_organization
          Product_as_individual
          Product_as_individual_version
          Product_as_individual_view
          Product_as_planned
          Product_as_realized
          Product_category
          Project
          Security_classification
          Security_classification_assignment
          View_definition_context

 issue_reference_item - EXTENSIBLE GENERIC_ENTITY SELECT
          Activity
          Activity_method
          Activity_method_assignment
          Activity_relationship
          Activity_status
          Address
          Address_assignment
          Affected_items_assignment
          Applied_activity_assignment
          Approval
          Approval_assignment
          Approval_relationship
          Approval_status
          Approving_person_organization
          Attribute_translation_assignment
          Calendar_date
          Certification
          Certification_assignment
          Class
          Classification_assignment
          Contract
          Contract_assignment
          Date_or_date_time_assignment
          Date_time
          Event
          Event_assignment
          Event_relationship
          Identification_assignment
          Language
          Language_indication
          Local_time
          Observation
          Observation_consequence
          Observation_relationship
          Organization
          Organization_or_person_in_organization_assignment
          Organization_relationship
          Product
          Product_category
          Product_category_assignment
          Product_category_hierarchy
          Product_design_to_individual
          Product_design_version_to_individual
          Product_planned_to_realized
          Product_version
          Security_classification
          Security_classification_assignment
          Unit
          Value_with_unit
          View_definition_context
          Work_request
          Work_request_status

 measure_value - EXTENSIBLE SELECT
          any_number_value
          any_string_value
          length_measure
          plane_angle_measure

 observation_recorder - EXTENSIBLE SELECT
          Product_as_realized

 observed_context - EXTENSIBLE SELECT
          Activity
          Activity_method
          Applied_activity_assignment
          Approval_assignment
          Certification_assignment
          Contract_assignment
          Event_assignment
          Issue
          Observation_consequence
          Product
          Product_design_to_individual
          Product_planned_to_realized
          Product_version
          Product_view_definition
          Project
          Project_assignment
          Security_classification_assignment

 organization_or_person_in_organization_item - EXTENSIBLE SELECT
          Contract
          Identification_assignment
          Observation
          Product_as_individual
          Product_as_planned
          Product_as_realized
          Security_classification_assignment

 project_item - EXTENSIBLE SELECT
          Activity_method
          Applied_activity_assignment

 security_classification_item - EXTENSIBLE SELECT
          Product_as_individual
          Product_as_individual_version
          Product_as_planned
          Product_as_realized
          Product_design_version_to_individual
          Product_version
          Product_view_definition
          Project_relationship

 string_select - EXTENSIBLE GENERIC_ENTITY SELECT
          Approval
          Approval_relationship
          Approval_status
          Certification
          Contract
          Date_or_date_time_assignment
          Identification_assignment
          Organization_relationship
          Person_in_organization
          Product_as_individual
          Product_as_individual_version
          Product_as_individual_view
          Project
          Project_assignment
          Project_relationship