וַיַּ֣עַן חִלְקִיָּ֗הוּ וַיֹּ֙אמֶר֙ אֶל־שָׁפָ֣ן הַסּוֹפֵ֔ר סֵ֧פֶר הַתּוֹרָ֛ה מָצָ֖אתִי בְּבֵ֣ית יְהוָ֑ה וַיִּתֵּ֧ן חִלְקִיָּ֛הוּ אֶת־הַסֵּ֖פֶר אֶל־שָׁפָֽן׃
Rashi on II Chronicles
and Hilkiah gave the scroll to Shaphan because it was the scribe’s duty to read everything before the king.