كتاب البيوع
11  
Business Transactions
(9a)
Chapter: Insolvency and Respite - Section 1
(9)
باب الإفلاس والانظار - الفصل الأول
Mishkat al-Masabih 2907
He reported God's Messenger as saying, “Delay in payment by a rich man is injustice, but when one of you is referred for payment to a wealthy* man he should accept the reference." (Bukhari and Muslim.) *Mali'. This word is used of a wealthy man, and also of one who cannot be called wealthy but who is careful to pay his debts.
وَعَنْهُ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «مَطْلُ الْغَنِيِّ ظُلْمٌ فَإِذَا أُتْبِعَ أحدكُم على مَلِيء فَليتبعْ»
  مُتَّفق عَلَيْهِ   (الألباني) حكم   :
Reference : Mishkat al-Masabih 2907
In-book reference : Book 11, Hadith 144