Numbers 16:40

16:40 It was a memorial for the Israelites, that no outsider who is not a descendant of Aaron should approach to burn incense before the Lord, that he might not become like Korah and his company – just as the Lord had spoken by the authority of Moses.

Numbers 25:6

25:6 Just then one of the Israelites came and brought to his brothers a Midianite woman in the plain view of Moses and of the whole community of the Israelites, while they were weeping at the entrance of the tent of meeting.

Numbers 28:8

28:8 And the second lamb you must offer in the late afternoon; just as you offered the grain offering and drink offering in the morning, you must offer it as an offering made by fire, as a pleasing aroma to the Lord.