Chapter on Ruling of the Forgetful One and the Mistaken One Regarding Fasting

Al-Husayn ibn Said, from al-Qasim ibn Muhammad, from Ali, from Abu Basir, who said: I (narrator) asked Abu Abdillah عليه السلام, peace be upon him, about ‘a man who fasted in (month of) Ramadan, then ate or drank forgetfully.’ Imam عليه السلام said: “He completes his fast, and there is no making up upon him.”