(7) باب قضاء الحاجة
Narrated Suraqa bin Malik (rad):
Allah's Messenger (ﷺ) educated us about lavatory (manners) that we should sit on our left foot and keep erect our right foot. [Reported by Al-Baihaqi through a chain of weak narrators].
Reference: Bulugh al-Maram 105
In-book reference: Book 1, Hadith 124
English translation: Book 1, Hadith 111