Leviticus 5:7
7 “But wif he cannot afford a lamb, then he shall bring to the Lord as his compensation for the sin that he has committed xtwo turtledoves or two pigeons,1 one for a sin offering and the other for a burnt offering.
Leviticus 12:8
8 And xif she cannot afford a lamb, then she shall take ytwo turtledoves or two pigeons,1 one for a burnt offering and the other for a sin offering. And the priest shall make atonement for her, and she shall be clean.”
Leviticus 27:8
8 And aif someone is too poor to pay the valuation, then he shall be made to stand before the priest, and the priest shall value him; the priest shall value him according to what the vower can afford.