3. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Hassan ibn Ali from Aban from Ishaq ibn ‘Ammar who has said the following:

“This is concerning my question before abu ‘Abd Allah , about the case of a man who bought from a charity collector who committed injustice. He (the Imam) said, ‘He can buy from him unless he learns that he has done injustice in collecting those goods.’”