[POMPONIUS libro uicensimo primo ad Quintum Mucium. ] §3.5.10.prSi negotia absentis et ignorantis geras, et culpam et dolum praestare debes.
[POMPONIUS, on Quintus Mucius, book twenty-one] If you should manage the affairs of one who is absent and unaware, you must answer for both negligence and fraud.
sed Proculus interdum etiam casum praestare debere, ueluti si nouum negotium, quod non sit solitus absens facere, tu nomine eius geras: ueluti uenales nouicios coemendo uel aliquam negotiationem ineundo.
But Proculus thinks that sometimes one must even answer for accident, as for instance if you should manage in his name a new business which the absent person was not accustomed to do: for instance, by purchasing newly-imported slaves for sale or by entering into some trading business.
nam si quid damnum ex ea re secutum fuerit, te sequetur, lucrum uero absentem: quod si in quibusdam lucrum factum fuerit, in quibusdam damnum, absens pensare lucrum cum damno debet.
For if any loss should result from that matter, it will fall upon you, but the profit indeed upon the absent person; but if profit should be made in some transactions and loss in others, the absent person must balance the profit against the loss.