LEVITICUS 5:7-8

⁷And if his means suffice not for a lamb, then he shall bring his guilt offering for that wherein he hath sinned, two turtledoves, or two young pigeons, unto the LORD; one for a sin offering, and the other for a burnt offering.

⁸And he shall bring them unto the priest, who shall offer that which is for the sin offering first, and wring off its head from its neck, but shall not divide it asunder: