2 U.S.C. § 141 — Allocation of responsibilities for Library buildings and grounds

(a) Architect of the Capitol. (1) The Architect of the Capitol is in charge of all work at the Library of Congress's buildings and grounds that affects: (A) the buildings' structural integrity; (B) building systems, including mechanical, electrical, plumbing, and elevators; (C) the buildings' architectural features; (D) compliance with building and fire codes, laws, and regulations tied to these specific responsibilities; (E) care and maintenance of the Library's grounds; and (F) purchasing the equipment needed to fulfill these responsibilities. (2) The Architect of the Capitol appoints the employees needed to carry out this work. (b) Librarian of Congress. The Librarian of Congress is in charge of all other work — anything not covered under subsection (a) — at the Library's buildings and grounds. (c) Transfer of funds. The Architect of the Capitol and the Librarian of Congress may make agreements with each other to carry out work under this section, and — subject to approval from the House and Senate Appropriations Committees and the Joint Committee on the Library — may transfer appropriations or other available funds between themselves to pay for it.