8 C.F.R. § 341.3 Depositions.
Title 8 - Aliens and Nationality
If satisfied that a witness whose testimony is essential is not available for examination in the United States, the assigned officer may authorize the taking of a deposition abroad by written interrogatories before an officer of the Service or a United States consular official.
Title 8: Aliens and Nationality
PART 341—CERTIFICATES OF CITIZENSHIP
§ 341.3 Depositions.
