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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai:3728 – Aḥmad b. Sulaymān > ʿUbaydullāh > Isrāʾīl > ʿAbd al-Karīm > ʿAṭāʾ

"The Messenger of Allah forbade 'Umra and Ruqba." I said: "What is Ruqba?" He said: "When one man says to another: 'This belongs to you for the rest of your life.' But if you do that, it is permissible."  

النسائي:٣٧٢٨ – أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ قَالَ أَنْبَأَنَا عُبَيْدُ اللَّهِ عَنْ إِسْرَائِيلَ عَنْ عَبْدِ الْكَرِيمِ عَنْ عَطَاءٍ قَالَ

نَهَى رَسُولُ اللَّهِ ﷺ عَنِ الْعُمْرَى وَالرُّقْبَى قُلْتُ وَمَا الرُّقْبَى قَالَ يَقُولُ الرَّجُلُ لِلرَّجُلِ هِيَ لَكَ حَيَاتَكَ فَإِنْ فَعَلْتُمْ فَهُوَ جَائِزَةٌ  

See similar narrations below:

Collected by Nasāʾī's Kubrá
nasai-kubra:6525 – Aḥmad b. Sulaymān > ʿUbaydullāh > Isrāʾīl > ʿAbd al-Karīm > ʿAṭāʾ

"The Messenger of Allah forbade 'Umra and Ruqba." I said: "What is Ruqba?" He said: "When one man says to another: 'This belongs to you for the rest of your life.' But if you do that, it is permissible." (Using translation from Nasāʾī 3728)  

الكبرى للنسائي:٦٥٢٥ – أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ قَالَ أَخْبَرَنَا عُبَيْدُ اللهِ عَنْ إِسْرَائِيلَ عَنْ عَبْدِ الْكَرِيمِ عَنْ عَطَاءٍ قَالَ

نَهَى رَسُولُ اللهِ ﷺ عَنِ الْعُمْرَى وَالرُّقْبَى قُلْتُ وَمَا الرُّقْبَى؟ قَالَ يَقُولُ الرَّجُلُ لِلرَّجُلِ «هِيَ لَكَ حَيَاتَكَ فَإِنْ فَعَلْتُمْ فَهُوَ جَائِزٌ»