Hadith 8:2100
Abu Bakr narrated to us, he said: Waki’ narrated to us, from Rabi’ ibn Sabih, from al-Hasan and ‘Ata regarding the one in ihram who makes a condition. They both said: He has his condition.
حدثنا أبو بكر قال حدثنا وكيع عن ربيع بن صبيح عن الحسن وعطاء في المحرم يشترط قالا له شرطه