9. If a fasting person vomits unintentionally, the fast will not break, irrespective of whether he vomits a mouthful or less. ^[1] However, if he vomits intentionally, his fast will break in the case where the vomit is a mouthful or more. If he vomits intentionally, but the vomit is less than a mouthful, the fast will not break. ^[2]