19 This was their ordering in their service, to come into the house of the LORD according to the ordinance given to them by Aaron their father, as the LORD, the God of Israel, had commanded him.
1 Chronicles 24:19 Cross References - VIN
1 Chronicles 9:25
25 Their brothers in their villages had to come from time to time and share their duties for seven-day periods.
1 Chronicles 24:1
1 These were the divisions of the sons of Aaron. The sons of Aaron: Nadab, Abihu, Eleazar, and Ithamar.
2 Chronicles 23:4
4 This is what you are to do: let a third of you, of the priests and Levites, who come in on the Sabbath, keep the doors;
2 Chronicles 23:8
8 So the Levites and all Judah did according to all that Jehoiada the priest commanded. And they took every man his men, those who were to come in on the Sabbath, with those who were to go out on the Sabbath. For Jehoiada the priest did not dismiss the divisions.
1 Corinthians 14:40
40 But everything must be done in a proper and orderly way.
Hebrews 7:11
11 Now if perfection could have been attained through the Levitical priesthood (upon which basis the people received the Law), why was there still a need for another priest to appear—one in the order of Melchizedek and not in the order of Aaron?