Deuteronomy 31:24-26

CLV(i) 24 It came to be as Moses concluded writing all the words of this law on a scroll until they were finished, 25 that Moses instructed the Levites, the carriers of the coffer of the covenant of Yahweh, saying. 26 You are to take this scroll of the law, and you must place it by the side of the coffer of the covenant of Yahweh your Elohim, and it will come to be there as a testimony against you,