[PAULUS libro primo sententiarum. ] §3.5.46.prActio negotiorum gestorum illi datur, cuius interest hoc iudicio experiri.
[PAULUS, Opinions, Book I] The action for business managed is given to him whose interest it is to litigate by this action.
§3.5.46.1Nec refert directa quis an utili actione agat uel conueniatur, quia in extraordinariis iudiciis, ubi conceptio formularum non obseruatur, haec suptilitas superuacua est, maxime cum utraque actio eiusdem potestatis est eundemque habet effectum.
Nor does it matter whether anyone sues or is sued by a direct action or an equitable action, because in extraordinary proceedings, where the drafting of formulas is not observed, this subtlety is superfluous, especially since both actions are of the same power and have the same effect.