Question

Marie and John have been in a romantic relationship for several years. On their anniversary, John gets down on one knee and proposes to Marie, who joyfully accepts. They both decided to plan their dream wedding and start a future together.

However, Marie's parents are concerned about the legal implications of their marriage. They want to ensure that all the essential and formal requisites under the Family Code are fulfilled for the marriage to be valid. Marie and John have approached you for legal advice.

Based on the given scenario and the provisions of the Family Code, answer the following questions:

1. What are the essential requisites for a valid marriage under the Family Code? Discuss each requirement briefly.
2. What are the formal requisites for a valid marriage under the Family Code? Explain each requirement.
3. Are there any special cases or circumstances in which the essential and formal requisites may vary or be waived? Provide examples and discuss the applicable provisions of the Family Code.
4. What are the consequences if any of the essential or formal requisites are not met? Discuss the legal effects of an invalid marriage.