Then Moses set apart three cities across the Jordan to the east, (Deut 4:41)

Now this is the law which Moses set before the sons of Israel; these are the testimonies and the statutes and the ordinances which Moses spoke to the sons of Israel, when they came out from Egypt, (Deut 4:44-45)

These are the words of the covenant which the LORD commanded Moses to make with the sons of Israel in the land of Moab, besides the covenant which He had made with them at Horeb. And Moses summoned all Israel and said to them, "You have seen all that the LORD did before your eyes in the land of Egypt to Pharaoh and all his servants and all his land; (Deut 29:1-2)

So Moses went and spoke these words to all Israel. (Deut 31:1)

Then Moses called to Joshua and said to him in the sight of all Israel, "Be strong and courageous, for you shall go with this people into the land which the LORD has sworn to their fathers to give them, and you shall give it to them as an inheritance. (Deut 29:7)

So Moses wrote this song the same day, and taught it to the sons of Israel. Then He commissioned Joshua the son of Nun, and said, "Be strong and courageous, for you shall bring the sons of Israel into the land which I swore to them, and I will be with you." It came about, when Moses finished writing the words of this law in a book until they were complete, that Moses commanded the Levites who carried the ark of the covenant of the LORD, saying, "Take this book of the law and place it beside the ark of the covenant of the LORD your God, that it may remain there as a witness against you. (Deut 29:22-26)