12 C.F.R. § 261.10
(a) Federal Register. The Board publishes in the Federal Register for the guidance of the public:
(c) Publicly available information—(1) Electronic reading room. The Board makes the following records available in its electronic reading room, http://www.federalreserve.gov/foia/readingrooms.htm#rr1.
(iv) Copies of all records, regardless of form or format—
(B) (1) That because of the nature of their subject matter, the Board has determined have become or are likely to become the subject of subsequent requests for substantially the same records; or
(2) That have been requested three or more times;