Subchapter i. General 2 U.S. Code §4101. Authority of officers of Congress over Congressional employees 2 U.S. Code §4102. Purchase of supplies for Senate and House 2 U.S. Code §4103. Contracts to furnish property, supplies, or services to Congress; terms varying from those offered other entities of Federal Government 2 U.S. Code §4104. American goods to be preferred in purchases for Senate and House 2 U.S. Code §4105. Purchase of paper, envelopes, etc., for stationery rooms of Senate and House 2 U.S. Code §4106. Stationery rooms of House and Senate; specification of classes of articles purchasable 2 U.S. Code §4107. Withdrawal of unexpended balances of appropriations 2 U.S. Code §4108. Semiannual statements of expenditures by Secretary of Senate and Chief Administrative Officer of House 2 U.S. Code §4109. Detailed reports of receipts and expenditures by Secretary of Senate and Chief Administrative Officer of House 2 U.S. Code §4110. Monuments to deceased Senators or House Members