And Joseph made it a law over the land of Egypt to this day, that the fifth should be for Pharaoh, except the land of the priests: theirs alone did not become Pharaoh's.
Therefore the children of Israel do not eat of the sinew that is over the joint of the thigh, to this day; because he touched the joint of Jacob's thigh the sinew.
At that time Jehovah separated the tribe of Levi, to bear the ark of the covenant of Jehovah, to stand before Jehovah to do service unto him, and to bless in his name, unto this day.
And Joshua made them that day hewers of wood and drawers of water for the assembly, and for the altar of Jehovah, to this day, in the place which he should choose.
1 Samuel 30:25
And it was so from that day forward; and he made it a statute and an ordinance for Israel to this day.