TSK · Numbers 8:12

"You shall bring the bull before the Tent of Meeting: and Aaron and his sons shall lay their hands on the head of the bull.

Thus shall he do with the bull; as he did with the bull of the sin offering, so shall he do with this; and the priest shall make atonement for them, and they shall be forgiven.

"'If he can't afford a lamb, then he shall bring his trespass offering for that in which he has sinned, two turtledoves, or two young pigeons, to Yahweh; one for a sin offering, and the other for a burnt offering.

He brought the bull of the sin offering, and Aaron and his sons laid their hands on the head of the bull of the sin offering.

He presented the ram of the burnt offering: and Aaron and his sons laid their hands on the head of the ram.

Moses said to Aaron, "Draw near to the altar, and offer your sin offering, and your burnt offering, and make atonement for yourself, and for the people; and offer the offering of the people, and make atonement for them; as Yahweh commanded."

and two turtledoves, or two young pigeons, such as he is able to afford; and the one shall be a sin offering, and the other a burnt offering.

"Aaron shall present the bull of the sin offering, which is for himself, and shall make atonement for himself and for his house, and shall kill the bull of the sin offering which is for himself.

Aaron shall lay both his hands on the head of the live goat, and confess over him all the iniquities of the children of Israel, and all their transgressions, even all their sins; and he shall put them on the head of the goat, and shall send him away into the wilderness by the hand of a man who is in readiness.

The priest shall present them before Yahweh, and shall offer his sin offering, and his burnt offering.

According to the law, nearly everything is cleansed with blood, and apart from shedding of blood there is no remission.