Sunan an-Nasa'i 4611
سنن النسائي#4611SahihIt was narrated from'Amr bin Shu'aib, from his father that his grandfather, Said:that the Messenger of Allah said: "It is not permissible to lend on the condition of a sale, or to have two conditions in one transaction, or to sell what you do not have." (Sahih)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahHasan Sahih
Al-AlbaniHasan Sahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 44:163