Can. 1067 The Episcopal Conference is to lay down norms concerning the questions to be asked of the parties, the publication of marriage banns, and the other appropriate means of enquiry to be carried out before marriage. Only when he has carefully observed these norms may the parish priest assist at a marriage.
Can. 1068 In danger of death, if other proofs are not available, it suffices, unless there are contrary indications, to have the assertion of the parties, sworn if need be, that they are baptized and free of any impediment.