(2) باب إِذَا أَحَالَ عَلَى مَلِيٍّ فَلَيْسَ لَهُ رَدٌّ
Narrated Abu Huraira:
The Prophet (ﷺ) said, "Procrastination (delay) in paying debts by a wealthy person is injustice. So, if your debt is transferred from your debtor to a rich debtor, you should agree."
Reference: Sahih al-Bukhari 2288
In-book reference: Book 38, Hadith 2
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 37, Hadith 487