the elders

Exodus 24:1, 9
Then the LORD said to Moses, "Come up to the LORD--you and Aaron, Nadab and Abihu, and seventy of Israel's elders--and you are to worship at a distance. . . .

Numbers 11:16, 25
Then the LORD said to Moses, "Bring Me seventy of the elders of Israel known to you as leaders and officers of the people. Bring them to the Tent of Meeting and have them stand there with you. . . .

Deuteronomy 21:3-9
Then the elders of the city nearest the victim shall take a heifer that has never been yoked or used for work, . . .

lay

Leviticus 4:4
He must bring the bull to the entrance of the Tent of Meeting before the LORD, lay his hand on the bull's head, and slaughter it before the LORD.

Leviticus 1:4
He is to lay his hand on the head of the burnt offering, so it can be accepted on his behalf to make atonement for him.

Leviticus 16:21
Then he is to lay both hands on the head of the live goat and confess over it all the iniquities and rebellious acts of the Israelites in regard to all their sins. He is to put them on the goat's head and send it away into the wilderness by the hand of a man appointed for the task.