[IDEM libro octagensimo ad edictum. ] §46.8.10.prInterdum ex conuentione stipulatio ratam rem interponi solet, ut puta si quid procurator aut uendat aut locet aut si ei soluatur
[THE SAME, On the Edict, Book LXXX] Sometimes, by agreement, the stipulation that the principal will ratify the transaction is customary to be interposed; as for instance, if an agent should either sell or lease anything, or if payment should be made to him.