Section 31 includes 17 serials dealing with administrative matters involving the RYMUR investigation. The serials include expense reports of FBI field offices, descriptions of indices, and flight schedules for FBI agents. They have been collected here, but have not been transcribed.
The serial numbers gathered here are: 2085, 2087, 2088, 2100, 2109, 2110, 2114, 2118, 2130, 2133, 2135, an unnumbered serial after 2135, 2144, 2150, 2154, 2155, and 2158.
The section also includes six serials, many of them between the FBI and State Department, dealing with travel and logistical matters involving trial witnesses and federal agency personnel. They have been collected here, but have not been transcribed.
The serials are 2125, 2132 (and its retransmittal at 2124), 2148 and 2156 (and its retransmittal at 2157).