If he has relations with her at the onset of the bleeding, then a Dinar is due, and if he has relations with her when the bleeding has ceased, then half a Dinar is due.
حدثنا عبد السلام بن مطهر حدثنا جعفر يعني ابن سليمان عن علي بن الحكم البناني عن أبي الحسن الجزري عن مقسم
إذا أصابها في أول الدم فدينار وإذا أصابها في انقطاع الدم فنصف دينار
[Its isnad is daif] Bayhaqi 1/318 narrated it from the hadith of Abu Dawud through the same route, and see the previous hadith. Abu Hasan Jazari is unknown, and whoever named him Abdul-Hameed erred (Taqrib).