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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
bayhaqi:9786 – And ʾNbʾ Ibn Khuzaymah > Muḥammad b. Yaḥyá > Muḥammad b. Yūsuf > ʿUmar b. Dhar > Mujāhid > Ibn ʿAbbās

[Machine] If he (or she) has sexual intercourse, then each of them is required to perform a ritual purification.  

البيهقي:٩٧٨٦ – قَالَ وَأنبأ ابْنُ خُزَيْمَةَ ثنا مُحَمَّدُ بْنُ يَحْيَى أنبأ مُحَمَّدُ بْنُ يُوسُفَ ثنا عُمَرُ بْنُ ذَرٍّ عَنْ مُجَاهِدٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

إِذَا جَامَعَ فَعَلَى كُلِّ وَاحِدٍ مِنْهُمَا بَدَنَةٌ