Commentary for Bava Batra 56:8

אכלה תלתא פרי (בתלתא יומי) כגון צלף ליהוי חזקה התם פירא מיהא איתיה ומגמר הוא דקא גמר ואזיל

after the analogy of the <i>Mu'ad</i> ox; for just as in the case of the <i>Mu'ad</i> ox [the warning] must be given in the presence of the owner, so here the protest should be made in the presence of the holder? — There [in the case of the ox] Scripture says, And it hath been testified to his owner';<span class="x" onmousemove="('comment',' Ex. XXI, 29, implying 'in the presence of the owner'. ');">⁷</span>

Rashi on Bava Batra