Imam Abu Ya'la (may Allah have mercy on him) narrated through his chain that it is narrated from Sayyiduna Usamah (may Allah be pleased with him) that when he had broken his fast (on the day of Eid after the month of Ramadan), he would begin the fasts of Shawwal from the very next day, until he completed them to their end.
Hadith Referenceالمطالب العالية بزوائد المسانيد الثمانية / كتاب الصيام / 1088
Hadith Gradingمحدثین:إسناده ضعيف
Hadith Takhrij«حکم الحدیث المطالب العالیہ محققاً تنسیق د. سعد بن ناصر بن عبد العزيز الشَّثري- مکتبہ شاملہ :إسناده ضعيف. » «انفرد به المصنف من هذا الطريق»