16 “‘And if the sacrifice of his offering is a vow+ or a voluntary offering,+ it is to be eaten on the day of his presenting his sacrifice, and on the next day what is left of it also may be eaten.

18 “Speak to Aaron and his sons and all the sons of Israel, and you must say to them, ‘As for any man of the house of Israel or some alien resident in Israel who presents his offering,+ for any of their vows+ or for any of their voluntary offerings,+ which they may present to Jehovah for a burnt offering,

21 “‘And in case a man should present a communion sacrifice+ to Jehovah in order to pay a vow+ or as a voluntary offering, it should prove to be a sound one among the herd or the flock, in order to gain approval. No defect at all should prove to be in it.