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2 U.S.C. 138: Law library; hours kept openText contains those laws in effect through Public Law 119-120 (October 7, 2026).
From Title 2-THE CONGRESSCHAPTER 5-LIBRARY OF CONGRESS
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§138. Law library; hours kept open

The law library shall be kept open every day so long as either House of Congress is in session.

( July 11, 1888, ch. 615, § 1 , 25 Stat. 262 .)