For the same reason, they cannot exercise certain ecclesial responsibilities.Reconciliation through the sacrament of Penance can be granted only to those who have repented for having violated the sign of the covenant and of fidelity to Christ, and who are committed to living in complete continence.
If a person was married validly and then divorced but never obtained an annulment, then that person is still married in the eyes of the Church.
He or she cannot validly marry again in the Catholic Church.
The Directory does not merely exists to foster Catholic marriages, it also exists to foster friendship and companionship.
Thus a Catholic who is not currently free to marry is welcome to join the Directory.
Even though a couple gets married in a Catholic church by a priest or deacon and has every intention of entering into a valid sacrament, other factors can greatly obstruct the validity anyway, even unknowingly and unintentionally. The matter at hand is whether a supposed valid marriage is in fact invalid for some serious reason.