Code of Federal Regulations Title 45. Public Welfare § 45.1149.51 How can I exclude a witness?

(a) A party who is an individual;

(b) In the case of a party that is not an individual, an officer or employee of the party appearing for the entity pro se or designated by the party's representative;  or

(c) An individual whose presence is shown by a party to be essential to the presentation of its case, including an individual employed by the Government engaged in assisting the representative for the Government.