(14) باب الشَّرِكَةِ فِي الرَّقِيقِ
Narrated Ibn `Umar:
The Prophet (ﷺ) said, "Whoever manumits his share o a jointly possessed slave, it is imperative on him to manumit the slave completely if he has sufficient money to pay the rest of its price which is to be estimated justly. He should pay his partners their shares and release him (the freed one).
Reference: Sahih al-Bukhari 2503
In-book reference: Book 47, Hadith 19
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 44, Hadith 681