4:12-3. In Foreign Countries

Unless an international treaty or convention otherwise requires, in a foreign country depositions shall be taken (a) on notice before a secretary of embassy or legation, consul general, consul, vice consul, or consular agent of the United States, or (b) before such person or officer as may be appointed by commission or under letters rogatory. A commission or letters rogatory shall be issued on application and notice, and on such terms and with such directions as are appropriate. Officers may be designated in notices or commissions either by name or descriptive title and letters rogatory may be addressed "To the Appropriate Judicial Authority in (here name the country)".