Art. 93. The law shall not be altered or repealed except in accordance with the law.
Art. 94. Any law that is in conflict with the Constitution shall not be valid.
CHAPTER X. NATIONAL FINANCE
Art. 95. The introduction of new taxes and alterations in the rate of taxation shall be fixed by law.
Art. 96. (Eliminated.)
Art. 97. The approval of the National Assembly must be obtained for National loans, or the conclusion of agreements which tend to increase the burden of the National Treasury.
Art. ... Financial bills involving direct obligation on the part of the citizens shall first be submitted to the House of Representatives.
Art. 98. The Executive Department of the Government shall prepare a budget setting forth expenditures and receipts of the Nation for the fiscal year which shall be submitted to the House of Representatives within 15 days after the opening of the session of the National Assembly.
Should the Senate amend or reject the budget passed by the House of Representatives, it shall request the concurrence of the House of Representatives in its amendment or rejection, and, if such concurrence is not obtained, the budget shall be considered as passed.
Art. 99. In case of special provisions, the Executive Department may fix in advance in the budget the period over which the appropriations are to be spread and may provide for the successive appropriations continuing over this period.