SEC. 26. The presiding officer of each House shall, in the presence of the House over which he presides, sign all bills and joint resolutions passed by the General Assembly, after their titles shall have been publicly read, immediately before signing; and the fact of signing shall be entered on the journal.

SEC. 27. The General Assembly shall prescribe by law the number, duties and compensation of the officers and employes of each House; and no payment shall be made from the State Treasury, or be in any way authorized to any person, except to an acting officer or employe elected or appointed in pursuance of law.

The Legislative Manual, of the State of Colorado — Part 66

SEC. 28. No bill shall be passed giving any extra compensation to any public officer, servant or employe, agent or contractor, after services shall have been rendered or contract made, nor providing for the payment of any claim made against the State without previous authority of law.

The Legislative Manual, of the State of Colorado — Part 66

SEC. 29. All stationery, printing, paper and fuel used in the legislative and other departments of government, shall be furnished; and the printing, and binding, and distributing of the laws, journals, department reports, and other printing and binding; and the repairing and furnishing the halls and rooms used for the meeting of the General Assembly and its committees, shall be performed under contract, to be given to the lowest responsible bidder, below such maximum price and under such regulations as may be prescribed by law. No member or officer of any department of the government shall be in any way interested in any such contract; and all such contracts shall be subject to the approval of the Governor and State Treasurer.

The Legislative Manual, of the State of Colorado — Part 66

SEC. 30. Except as otherwise provided in this Constitution, no law shall extend the term of any public officer, or increase or diminish his salary or emoluments after his election or appointment: _Provided_, This shall not be construed to forbid the General Assembly to fix the salary or emoluments of those first elected or appointed under this Constitution.

SEC. 31. All bills for raising revenue shall originate in the House of Representatives; but the Senate may propose amendments, as in case of other bills.

SEC. 32. The general appropriation bill shall embrace nothing but appropriations for the ordinary expenses of the Executive, Legislative and Judicial Departments of the State, interest on the public debt, and for public schools. All other appropriations shall be made by separate bills, each embracing but one subject.