But then if I required a dispensation or wished to marry, etc, who would grant it? Both? And if they disagreed?
You personally said you have
two of domicile or quasi-domicile.
Can. 100
A person is said to be: an incola, in the place where he or she has a domicile; an advena, in the place of quasi-domicile; a peregrinus, if away from the domicile or quasi-domicile which is still retained; a vagus, if the person has nowhere a domicile or quasi-domicile.
Can. 102
§1 Domicile is acquired by residence in the territory of a parish, or at least of a diocese, which is either linked to the intention of remaining there permanently if nothing should occasion its withdrawal, or in fact protracted for a full five years.
§2 Quasi-domicile is acquired by residence in the territory of a parish, or at least of a diocese, which is either linked to the intention of remaining there for three months if nothing should occasion its withdrawal, or in fact protracted for three months.
§3 Domicile or quasi-domicile in the territory of a parish is called parochial; in the territory of a diocese, even if not in a parish, it is called diocesan.
Can. 107 §1. Through both domicile and quasi-domicile, each person acquires his or her pastor and ordinary.
§2. The proper pastor or ordinary of a transient [vagus] is the pastor or local ordinary where the transient is actually residing.
§3. The proper pastor of one who has only a diocesan domicile or quasi-domicile [incola, advena, peregrinus] is the pastor of the place where the person is actually residing.