1 Samuel 10:25
Then Samuel told the people the manner of the kingdom, and wrote it in a book, and laid it up before the Lord. And Samuel sent all the people away, every man to his house.
Cross-reference
In 1 Samuel 8:11-18, Samuel earlier detailed the oppressive ways of a king — these are the 'rights and duties' he now writes down here.
1 Samuel 8:9 commanded Samuel to warn the people about the king’s ways; here he fulfills that by writing the rights and duties.
In Deuteronomy 17:14-20, the law for Israel's king is given — Samuel's written 'rights and duties' likely reflect these divine instructions.
2 Kings 11:17 shows a covenant between king, people, and God—similar to Samuel formalizing the king's duties under divine authority.
In Ezekiel 45:9, the Lord rebukes Israel's princes for oppression — contrasting with the just rule Samuel's book of rights and duties prescribed.
In Ezekiel 46:16-18, specific rules for the prince's inheritance echo Samuel's written 'rights and duties'—both define proper governance for rulers.