Contradiction with Numbers 18:20-21
This verse states that the Levites have no inheritance in the land making their sustenance dependent on offerings, while Deuteronomy 18:6 provides the Levite the option to come whenever he wishes with no restriction.
Numbers 18:20-21: And the LORD spake unto Aaron, Thou shalt have no inheritance in their land, neither shalt thou have any part among them: I [am] thy part and thine inheritance among the children of Israel.
Contradiction with Joshua 13:14
Indicates that the Levites were given no inheritance of land, contrasting with the provision for Levites wanting to enter service.
Joshua 13:14: Only unto the tribe of Levi he gave none inheritance; the sacrifices of the LORD God of Israel made by fire [are] their inheritance, as he said unto them.
Contradiction with 2 Chronicles 31:4-5
Institutes specific provisions for Levite support through tithes, while Deuteronomy 18:6 outlines a personal choice and provision of joining service.
2 Chronicles 31:4-5: Moreover he commanded the people that dwelt in Jerusalem to give the portion of the priests and the Levites, that they might be encouraged in the law of the LORD.
Contradiction with Ezra 7:24
Exempts Levites from taxes and duties, seeming more restrictive compared to the free will in Deuteronomy 18:6.
Ezra 7:24: Also we certify you, that touching any of the priests and Levites, singers, porters, Nethinims, or ministers of this house of God, it shall not be lawful to impose toll, tribute, or custom, upon them.
Contradiction with Ezekiel 44:28
Sets a decree that the inheritance of priests is the Lord, contrasting the personal offerings and calling described in Deuteronomy 18:6.
Ezekiel 44:28: And it shall be unto them for an inheritance: I [am] their inheritance: and ye shall give them no possession in Israel: I [am] their possession.