حَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، أَخْبَرَنَا شُعْبَةُ، عَنْ عَمْرِو بْنِ دِينَارٍ، عَنْ طَاوُسٍ، عَنِ ابْنِ عَبَّاسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏"‏ أُمِرْتُ ‏"‏ ‏.‏ وَرُبَّمَا قَالَ أُمِرَ نَبِيُّكُمْ صلى الله عليه وسلم أَنْ يَسْجُدَ عَلَى سَبْعَةِ آرَابٍ ‏.‏

Ibn ‘Abbas reported the prophet (PBUH) as saying : I have been commanded, and sometimes the narrator said: Your prophet (PBUH) was commanded to prostrate on seven limbs. Translation Not Available

Book Ref: Sunan Abi Dawud Book 2 Hadith 890
Web Ref:  Sunan Abi Dawud Book 2 Hadith 889

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