Most Mexicans have two ceremonies, a religious and civil. The religious marriage is merely ceremonial, whereas the civil marriage is legally binding in both Mexico and your country of origin. Contact the Civil Registry in the town nearest your planned destination to determine legal requirements. Contact the spiritual leader of your choice for information concerning religious requirements before leaving for Mexico. (Catholic ceremonies may only be held in churches. To find synagogues www.maven.co.il/synagogues/synagogues