(11) باب الاِسْتِثْنَاءِ فِي الْيَمِينِ
Narrated Abdullah ibn Umar:
The Prophet (ﷺ) said: If anyone swears an oath and makes an exception, he may fulfil it if he wishes and break it if he wishes without any accountability for breaking.
Reference: Sunan Abi Dawud 3262
In-book reference: Book 22, Hadith 21
English translation: Book 21, Hadith 3256