75. An action for the annulment of marriage may be commenced by the husband or the wife, or by persons whose interests are affected by the marriage, or by representatives of the government.
76. Actions for the annulment of marriage shall be tried by the local courts which shall proceed in accordance with the rules in effect within their jurisdiction.
77. A marriage shall be deemed void if both or either of the parties thereto had not attained the matrimonial age, except in the following cases:
| (a) | where the action for the annulment of the marriage has been commenced by the plaintiff after the attainment of the matrimonial age. |
| (b) | where subsequent to the marriage children were born or the wife has become pregnant. |
78. A marriage shall be considered void if contracted by an insane person, or by a person incapable of acting with discernment or understanding the significance of his or her acts.
79. A marriage shall be void if contracted at a time when one of the parties thereto was already married, such previous marriage still continuing in force and not having been dissolved by the death of the former husband or wife, or by divorce.
80. In case a marriage be declared void on the ground stated in Section 79, the marriage previously contracted shall remain in force.
81. A marriage shall be deemed void if contracted without the, consent of either of the parties
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