Sunan an-Nasa'i 3731
سنن النسائي#3731SahihSufyan narrated from Ibn Juraij, from 'Ata', from Jabir that the Messenger of Allah said:"Do not give things on the basis of Ruqba or 'Umra. Whoever is given something on the basis of Ruqba or 'Umra, it belongs to his heirs
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 34:13