(45) باب الأَمْرِ بِالْقِيَامِ لِلْجَنَازَةِ
It was narrated form 'Amir bin Rabi'ah Al-'Adawi that the Messenger of Allah said:
"When you see a funeral, stand up until it has passed you, or (the body) is placed (in the grave)."
Reference: Sunan an-Nasa'i 1916
In-book reference: Book 21, Hadith 99
English translation: Vol. 3, Book 21, Hadith 1917