He asked Ibn Shihab about a slave's oath to abstain from his wife, and Ibn Shihab replied, "It is like the oath of a free man, and it is binding upon him, except that a slave's term is two months."
حدثني يحيى
أنه سأل ابن شهاب عن إيلاء العبد فقال هو نحو إيلاء الحر وهو عليه واجب وإيلاء العبد شهران