Leviticus 14:21

21“But aif he is poor and cannot afford so much, then he shall take one male lamb for a guilt offering bto be waved, to make atonement for him, and a tenth of an ephah of fine flour mixed with oil for a grain offering, and a log of oil;

Numbers 6:21

21This is the law of the Nazirite. But if he vows an offering to the Lord above his Nazirite vow, as he can afford, in exact accordance with the vow that he takes, then he shall do in addition to the law of the Nazirite.”

Deuteronomy 16:17

17Every man cshall give as he is able, daccording to the blessing of the Lord your God that he has given you.

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