De acquirenda, retinenda, et amittenda possessione enunciationes C

LXIII.
One cannot, however, change the cause of possession for oneself.

LXIV.
The delivery of the previous possessor must be made by his own will.

LXV.
It does not matter, however, whether he delivers it fictitiously or civilly, or naturally and truly.

LXVI.
We call good faith here the state when someone, led by a probable opinion, has obtained a thing legitimately and without fraud from one whom he believed to have power over the alien thing.

LXVII.
This consists in conscience and in a rightly constituted mind.

LXVIII.
Whence it cannot be directly proven: because the mind does not appear.

LXIX.
Wherefore it will be proven by presumption. For it is presumed if the title is established: for given the title, good faith is also granted.

LXX.
Furthermore, we acquire possession not only through ourselves, but also through others.

LXXI.
Through others, if we comprehend a thing through the service of another, or through another's body and mind, or through another's body only, but with our own mind.

LXXII.
Wherefore if someone wishes to acquire for another, he is forced to found the whole act in that person's name.

LXXIII.
We acquire, however, not only through those whom we have in our power: