Albert Barnes Commentary 2 Kings 17:37

"and the statutes and the ordinances, and the law and the commandment, which he wrote for you, ye shall observe to do for evermore; and ye shall not fear other gods:" — 2 Kings 17:37 (ASV)

Which he wrote for you. It is worth observing here, first, that the author regards the whole Law as given to the Israelites in a written form, and secondly, that he looks on the real writer as God.