(a) Authority to issue subpoenas. Any member of the Board may issue subpoenas requiring the attendance and testimony of witnesses and the production of documentary or other evidence from any place in the United States or any territory or possession thereof, the Commonwealth of Puerto Rico, or the District of Columbia. Any member of the Board may order the taking of depositions or order responses to written interrogatories.

(b) Motion. (1) A motion for the issuance of a subpoena requiring the attendance and testimony of witnesses or the production of documents or other evidence under § 28.46(a) shall be submitted to the administrative judge at least 15 days in advance of the date scheduled for the commencement of the hearing.

(2) If the subpoena is sought as part of the discovery process, the motion shall be submitted to the administrative judge at least 15 days in advance of the date set for the attendance of the witness at a deposition or the production of documents.