(a) Abdullah bin Ziyad says: I heard Abdullah (may Allah be pleased with him) reciting in Zuhr and Asr.
(b) Imam al-Shafi'i (may Allah have mercy on him) says: In our view, this does not necessitate (the prostration of) forgetfulness.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 3865