Surah Ar-Rum 30:35
أَمْ أَنزَلْنَا عَلَيْهِمْ سُلْطَـٰنًا فَهُوَ يَتَكَلَّمُ بِمَا كَانُوا۟ بِهِۦ يُشْرِكُونَ
Or have We sent down to them an authority [i.e., a proof or scripture], and it speaks of what they have been associating with Him?
Translation: Saheeh International
Tafsir
Or am the hamza here is meant for denial have We revealed any warrant any argument or scripture to them which might speak a token speech of what they associate with Him? in other words commanding them to associate others with God? No!
Excerpt from Tafsir al-Jalalayn, commentary on 30:35, via Quran.com. The reader has the full commentary and 9 more tafsirs.