The fundamental properties of marriage are unity and indissolubility; in Christian marriage they get a firmness that is distinctive explanation regarding the sacrament.
Canon 1057, 1°:
A married relationship is brought into being because of the lawfully manifested permission of individuals who will be legitimately capable. This permission is not furnished by any power that is human.
Canon 1057, 2°:
Matrimonial permission can be a work of might through which a guy and a lady by the irrevocable covenant mutually provide and accept each other for the purpose of developing a married relationship.
Required Consent for Wedding
The trade of permission involving the partners “makes the wedding.