What is the ruling if one buys a slave upon whom manumission is obligatory (i.e., a Mudarabah contract slave or one subject to a binding promise of freedom)?
Chapter on the Option of the Two Parties in Sale
Al-Mughni
Book of Sales
Primary text
If one purchases a slave upon whom manumission is obligatory, this act is treated as manumission by explicit declaration, and the established ruling for that scenario applies.