The Legal Residuum Rule states that: 

a. evidence that courts view as incompetent may be used in an administrative hearing and may support the agency's decision, but may not be the sole support of the decision

b. evidence that courts view as incompetent may be used in an administrative hearing and may be the sole support of the decision 

c. evidence that courts view as incompetent may not be used in an administrative hearing for any purpose

d. evidence that courts view as incompetent may be used in an administrative hearing by a person or organization in support of their case, but may not be used by the agency or the government against the person or organization