[AEMILIUS MACER libro primo ad legem uicensimam hereditatium. ] §28.1.7.prSi mutus aut surdus, ut liceret sibi testamentum facere, a principe impetrauerit, ualet testamentum.
[AEMILIUS MACER, in the first book on the law of the twentieth part of inheritances.] If a mute or deaf person, in order that it be permitted for him to make a testament, has obtained [this] from the emperor, the testament is valid.