Hadith 11

It is unlawful for a believer to sever relations with his brother for more than three days.

لَا یَحِلُّ لِمُؤمِنٍ اَنْ یَّجُهْرَ أخَاهُ فَوقَ ثَلَاثَةِ أیَّامٍ

Reference: 1530110
In-book reference: Book 3, Hadith 11