Leviticus 14:21

14:21 And if he [be] poor, and cannot get so much; then he shall take one lamb [for] a trespass offering to be waved, to make an atonement for him, and one tenth deal of fine flour mingled with oil for a meat offering, and a log of oil;

Leviticus 19:15

19:15 Ye shall do no unrighteousness in judgment: thou shalt not respect the person of the poor, nor honour the person of the mighty: [but] in righteousness shalt thou judge thy neighbour.