• nc:EmploymentAssociationType (e.g. nc:PersonCurrentEmploymentAssociation)
• j:PersonAugmentationType (e.g. j:PersonAugmentation)

• Nothing

Can be replaced with:

• bls:EmployeeOccupationCategoryCode
      A category of job of an employee.
• nc:EmployeeOccupationCategoryText
      A general kind of job of an employee.
• bls:EmployeeOccupationGeneralCategoryCode
      A general category of job of an employee.
• bls:EmployeeOccupationSubCategoryCode
      A subcategory of job of an employee.

• nc:EmployeeAssignmentAssociation (of nc:EmployeeAssignmentAssociationType)
      An association between an employee and a position or post for which that employee has been temporarily assigned to for some period of time.
• j:PersonAugmentation (of j:PersonAugmentationType)
      Additional information about a person.
• nc:PersonCurrentEmploymentAssociation (of nc:EmploymentAssociationType)
      An association between a person and his or her current employment.
• nc:PersonEmploymentAssociation (of nc:EmploymentAssociationType)
      An association between an employee and an employer.
• nc:PersonFormerEmploymentAssociation (of nc:EmploymentAssociationType)
      An association between a person and employment held in the past but not currently held.
• j:SubjectSupervisedEmploymentAssociation (of nc:EmploymentAssociationType)
      An association between a subject and supervised employment.

• Nothing