36 CFR 702.4 – Photographs
(a) The policy set out herein applies to all individuals who are photographing Library of Congress buildings.
(b) Special permission is not required for photographing public areas, if no tripods, lights or other specialized equipment is used. Public areas do not include reading rooms, exhibition areas or other areas where photographing is prohibited by signage.
(c) For all other photographing, requests for permission must be made at least one week prior to the photographing. The Director of Communications, or his/her designee, is authorized to grant or deny permission, in writing, to photograph the interior of Library buildings and may set the conditions under which the photographing may take place. Such conditions may include provision for a fee for services rendered consistent with the Library’s policies and procedures for the revolving fund under 2 U.S.C. § 182b.