The marriage certificate is as important as the marriage license because it is where you declare that you take each other as husband and wife.
It also contains:
(1) The full name, sex and age of each contracting party;
(2) Their citizenship, religion and habitual residence;
(3) The date and precise time of the celebration of the marriage;
(4) That the proper marriage license has been issued according to law;
(5) That either or both of the contracting parties have secured the parental consent in appropriate cases;
(6) That either or both of the contracting parties have complied with the legal requirement regarding parental advice in appropriate cases; and
(7) That the parties have entered into marriage settlement, if any, attaching a copy thereof.
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Source:
Nolledo, Jose N. “The Family Code of the Philippines.” The Civil Code of the Philippines. 2000 Revised Edition