Surah Qaf 50:17

إِذْ يَتَلَقَّى ٱلْمُتَلَقِّيَانِ عَنِ ٱلْيَمِينِ وَعَنِ ٱلشِّمَالِ قَعِيدٌ

When the two receivers [i.e., recording angels] receive, seated on the right and on the left.

Translation: Saheeh International

Tafsir

When idh is dependent because of an implied udhkur ‘mention’ the two Receivers the two angels charged with recording a person’s deeds receive when they observe and record seated that is while both of them are sitting qa‘īdun ‘seated’ is the subject the predicate of which is the preceding clause on the right and on the …

Excerpt from Tafsir al-Jalalayn, commentary on 50:17, via Quran.com. The reader has the full commentary and 9 more tafsirs.