Commentary for Bava Metzia 41:10

רבי שמעון בן אלעזר אומר כל כלי אנפוריא אין חייב להכריז:

if it is found below the signatures of the notes [of indebtedness it is] also [valid], because if [the debt] had not been paid he [the lender] would not have invalidated the note.

Rashi on Bava Metzia