Leviticus 5:5-8

⁵then shall he declare his sin in the things wherein he has sinned by that sin.

⁶And he shall bring for his transgressions against the Lord, for his sin which he has sinned, a ewe lamb of the flock, or a kid of the goats, for a sin-offering; and the priest shall make an atonement for him for his sin which he has sinned, and his sin shall be forgiven him.

⁷And if he cannot afford a sheep, he shall bring for his sin which he has sinned, two turtle-doves or two young pigeons to the Lord; one for a sin-offering, and the other for a burnt-offering.

⁸And he shall bring them to the priest, and the priest shall bring the sin-offering first; and the priest shall pinch off the head from the neck, and shall not divide the body.