The Testimony of an Accuser and an Ex-convict

6. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ibn Mahbub from ibn Sinan who has narrated the following: “I once asked abu ‘Abd Allah عليه السلام, about the case of a man who is subjected to penalty; then he repents: if his testimony becomes acceptable. He (the Imam) said, ‘If he repents which is retracting what he has said and calls himself a liar before the Imam of the Muslims. When he does this then it is necessary for the Imam to accept his testimony thereafter .