Cross reference
Deuteronomy 18:7
7 then he shall minister in the name of Jehovah his God, as all his brethren the Levites do, who stand there before Jehovah.
2 Chronicles 31:2-4
2 And Hezekiah appointed the courses of the priests and the Levites after their courses, every man according to his service, both the priests and the Levites, for burnt-offerings and for peace-offerings, to minister, and to give thanks, and to praise in the gates of the camp of Jehovah.
3 `He appointed' also the king's portion of his substance for the burnt-offerings, `to wit', for the morning and evening burnt-offerings, and the burnt-offerings for the sabbaths, and for the new moons, and for the set feasts, as it is written in the law of Jehovah.
4 Moreover he commanded the people that dwelt in Jerusalem to give the portion of the priests and the Levites, that they might give themselves to the law of Jehovah.