(11) باب النَّهْىِ عَنِ الْوِصَالِ، فِي الصَّوْمِ
Abu Huraira reported that the Messenger of Allah (ﷺ) forbade (his Companions) to observe Saum Wisal.
Reference: Sahih Muslim 1103 d
In-book reference: Book 13, Hadith 75
USC-MSA web (English) reference(deprecated numbering scheme): Book 6, Hadith 2432