[Modus vacandi beneficiorum]

...such a resignation, not having the consent of the patron intervening, [the] benefice [being] vacant [and] at the disposal of the collator, unless that resignation be not actually proven; that is, [unless] the impetrant has effectively obtained possession of it, then [the right] will first revert to its beginning.

¶ Item, if someone has a grace in the common form for the poor, [and] the Ordinary confers the vacant benefice before the publication of such grace, the collation holds according to some. Some, however, say that it does not; that is, Lord Jo[hannes] Cal[derinus], who holds that before the purification of the grace the hands of the Ordinary are closed and bound, provided that he purifies and accepts it within a month after the vacancy of the benefice; and it was once observed thus. It is otherwise, however, regarding a special grace.

¶ Item, one having a grace in the common form for the poor must present his letters to the Ordinary before the vacancy, otherwise he cannot accept it. But one having a grace in special form...