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244 disturbance they shall give them the same protection, provided the Legislature of the State, or the Executive thereof if the Legislature is not in session, shall so request.

Art. 123. The Congress and the State Legislatures shall make laws relative to labor with due regard for the needs of each region of the Republic, and in conformity with the following principles, and these principles and laws shall govern the labor of skilled and unskilled workmen, employees, domestic servants and artisans, and in general every contract of labor.

I. Eight hours shall be the maximum limit of a day's work.

II. The maximum limit of night work shall be seven hours. Unhealthy and dangerous occupations are forbidden to all women and to children under sixteen years of age. Night work in factories is likewise forbidden to women and to children under sixteen years of age; nor shall they be employed in commercial establishments after ten o 'clock at night.

III. The maximum limit of a day's work for children over twelve and under sixteen years of age shall be six hours. The work of children under twelve years of age shall not be made the subject of a contract.