Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:9365Muḥammad b. al-Naḍr al-Azdī > Muʿāwiyah b. ʿAmr > Zāʾidah > Sufyān > Khuṣayf > Abū ʿUbaydah > ʿAbdullāh b. Masʿūd

[Machine] "When you stand, sit, or greet, then prostrate with two prostrations of forgetfulness, then recite the tashahhud, then greet with salaam."  

الطبراني:٩٣٦٥حَدَّثَنَا مُحَمَّدُ بْنُ النَّضْرِ الْأَزْدِيُّ ثنا مُعَاوِيَةُ بْنُ عَمْرٍو ثنا زَائِدَةُ عَنْ سُفْيَانَ عَنْ خُصَيْفٍ عَنْ أَبِي عُبَيْدَةَ عَنْ عَبْدِ اللهِ بْنِ مَسْعُودٍ قَالَ

«إِذَا قُمْتَ أَوْ جَلَسْتَ أَوْ سَلَّمْتَ فَاسْجُدْ سَجْدَتَيِ السَّهْوِ ثُمَّ تَشَهَّدْ ثُمَّ سَلِّمْ»