19 This was their appointed order for service when they entered the house of the LORD, according to the regulations prescribed for them by their forefather Aaron, as the LORD, the God of Israel, had commanded him.
1 Chronicles 24:19 Cross References - BSB
1 Chronicles 9:25
25 Their relatives came from their villages at fixed times to serve with them for seven-day periods.
1 Chronicles 24:1
1 These were the divisions of the descendants of Aaron. The sons of Aaron were Nadab, Abihu, Eleazar, and Ithamar.
2 Chronicles 23:4
4 This is what you are to do: A third of you priests and Levites who come on duty on the Sabbath shall keep watch at the doors,
2 Chronicles 23:8
8 So the Levites and all Judah did everything that Jehoiada the priest had ordered. Each of them took his men—those coming on duty on the Sabbath and those going off duty—for Jehoiada the priest had not released any of the divisions.
1 Corinthians 14:40
40 But everything must be done in a proper and orderly manner.
Hebrews 7:11
11 Now if perfection could have been attained through the Levitical priesthood (for on this basis the people received the law), why was there still need for another priest to appear—one in the order of Melchizedek and not in the order of Aaron?