(1) باب تَفْرِيعِ أَبْوَابِ السُّجُودِ وَكَمْ سَجْدَةٍ فِي الْقُرْآنِ
Narrated Uqbah ibn Amir:
I said to the Messenger of Allah (ﷺ): Are there two prostrations in Surah al-Hajj? He replied: Yes; if anyone does not make two prostrations, he should not recite them. (ID)
Reference (ID): Sunan Abi Dawud 1402 (ID)
In-book reference (ID): Book 7, Hadith 2 (ID)
English translation (ID): Book 7, Hadith 1397 (ID)