וַיִּקְרָ֤א אֲלֵהֶם֙ מֹשֶׁ֔ה וַיָּשֻׁ֧בוּ אֵלָ֛יו אַהֲרֹ֥ן וְכָל־הַנְּשִׂאִ֖ים בָּעֵדָ֑ה וַיְדַבֵּ֥ר מֹשֶׁ֖ה אֲלֵהֶֽם׃
And Moses called unto them; and Aaron and all the rulers of the congregation returned unto him; and Moses spoke to them.
Read halakhic rulings (Jewish law) on Exodus 34:31: and classical halakhic sources.