Sunan an-Nasa'i 3717
سنن النسائي#3717SahihMa'mar narrated from Ibn Tawus, from his father, from Hujr Al-Madari, from Zaid bin Thabit, from Prophet, who said:"'Umra (a gift given for life) is permissible
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih Isnaad
Al-AlbaniSahih Isnaad
Zubair Ali ZaiIsnaad Sahih
In-book reference: 33:12