Chapter II.

Article 46. The Senate shall be composed of two Senators from each Province, chosen by the Legislatures thereof by plurality of vote, and two from the capital elected in the form prescribed for the election of the President of the Nation. Each Senator shall have one vote.

Article 47. No person shall be a Senator who shall not have attained the age of thirty years, been six years a citizen of the Nation, enjoy an annual rent or income of two thousand hard-dollars, and be a native of the Province which elects him, or a resident of the same for the two years immediately preceding.

Article 48. The Senators shall enjoy their trust for nine years, and are indefinitely re-eligible; but the Senate shall be renewed by thirds each three years, and shall decide by lot, as soon as they be all re-united, who shall leave at the end of the first and second triennial periods.

Article 49. The Vice-President of the Nation shall be President of the Senate; but shall have no vote, except in a case of a tie.

Article 50. The Senate shall choose a President pro-tempore who shall preside during the absence of the Vice-President, or when he shall exercise the office of President of the Nation.

Article 51. The Senate shall have sole power to try all impeachments presented by the House of Deputies. When sitting for that purpose they shall be under oath. When the President of the Nation is tried, the Chief Justice shall preside. No person shall be convicted without the concurrence of two-thirds of the members present.

Article 52. Judgment in case of impeachment, shall not extend farther than to removal from office, and disqualification to hold and enjoy any office of honor, trust, or profit under the Nation. But the party convicted shall, nevertheless, be liable to indictment, trial, judgment and punishment according to law, before the ordinary tribunals.

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Article 53. It belongs, moreover, to the Senate, to authorize the President to declare martial law in one or more points of the Republic, in case of foreign aggression.

Article 54. When any seat of a Senator be vacant by death, resignation or other reason, the Government to which the vacancy belongs, shall immediately proceed to the election of a new member.