The sacraments make Christ present in our midst. Like the other sacraments, marriage is not just for the good of individuals, or the couple, but for the community as a whole. The Catholic Church teaches that marriage between two baptized persons is a sacrament. The Old Testament prophets saw the marriage of a man and woman as a symbol of the covenant relationship between God and his people. The permanent and exclusive union between husband and wife mirrors the mutual commitment between God and his people. The Letter to the Ephesians says that this union is a symbol of the relationship between Christ and the Church.
Marriages between Catholics and non-Christians, while they may still be valid in the eyes of the Church, are non-sacramental. With permission, a priest or deacon may witness such marriages.
Just as individual states have certain requirements for civil marriage (e.g., a marriage license, blood tests), the Catholic Church also has requirements before Catholics can be considered validly married in the eyes of the Church. A valid Catholic marriage results from four elements: (1) the spouses are free to marry; (2) they freely exchange their consent; (3) in consenting to marry, they have the intention to marry for life, to be faithful to one another and be open to children; and (4) their consent is given in the presence of two witnesses and before a properly authorized Church minister. Exceptions to the last requirement must be approved by church authority.
In addition to meeting the criteria for a valid Catholic marriage, the Catholic must seek permission from the local bishop to marry a non-Catholic. If the person is a non-Catholic Christian, this permission is called a “permission to enter into a mixed marriage.” If the person is a non-Christian, the permission is called a “dispensation from disparity of cult.”
For Catholics, marriage is not just a social or family event, but a church event. For this reason, the Church prefers that marriages between Catholics, or between Catholics and other Christians, be celebrated in the parish church of one of the spouses. Only the local bishop can permit a marriage to be celebrated in another suitable place.
The local bishop can permit a wedding in another church, or in another suitable place, for a sufficient reason. For example, a Catholic seeks to marry a Baptist whose father is the pastor of the local Baptist church. The father wants to officiate at the wedding. In these circumstances, the bishop could permit the couple to marry in the Baptist church. The permission in these instances is called a “dispensation from canonical form.”