Chapter on the Rules of Menstruation, Istihadah, and Nifas, and Purification From Them

It is narrated by a group from Abu Muhammad Harun ibn Musa, from Ahmad ibn Muhammad ibn Sa'id, from Ali ibn al-Hasan ibn Faddal. Ahmad ibn Ubdun also narrated to me from Ali ibn Muhammad ibn al-Zubayr, from Ali ibn al-Hasan ibn Faddal, from Muhammad ibn Isa, from al-Nadr ibn Suwayd, from Yahya ibn Imran al-Halabi, from Abdullah ibn Miskan, from Abu Basir, from Abu Abdullah عليه السلام, who said: Imam عليه السلام said: "Whoever has intercourse with a menstruating woman must give half a dinar as charity."