Deuteronomy 31:9-11

So Moses wrote this entire body of instruction in a book and gave it to the priests, who carried the Ark of the LORD’s Covenant, and to the elders of Israel. Then Moses gave them this command: “At the end of every seventh year, the Year of Release, during the Festival of Shelters, you must read this Book of Instruction to all the people of Israel when they assemble before the LORD your God at the place he chooses.