[IDEM libro quadragensimo septimo digestorum. ] §46.1.14.prCum reus promittendi fideiussori suo heres exstitit, obligatio fideiussoria peremitur.
[THE SAME in the forty-seventh book of the digests.] When the principal debtor has become the heir to his surety, the accessory obligation of suretyship is extinguished.
quid ergo est? tamquam a reo debitum petatur et, si exceptione fideiussori competente usus fuerit, in factum replicatio dari debebit aut doli mali proderit.
What is the consequence then? The debt should be demanded as if from the principal debtor, and if he uses an exception that was available to the surety, a replication on the facts ought to be granted, or a replication of doli mali will be of benefit.