[POMPONIUS libro nono decimo ad Sabinum. ] §13.7.5.prIdque iuris est, siue omnino fuerint pacti, ne ueneat, siue in summa aut condicione aut loco contra pactionem factum sit.
[POMPONIUS, on Sabinus, Book XIX] And this is the rule of law, whether they agreed altogether that it should not be sold, or whether action was taken contrary to the agreement in respect of the amount, condition, or place.