Leviticus 27:29-34

29 And whatever shall be dedicated of men, shall not be ransomed, but shall be surely put to death.
30 Every tithe of the land, both of the seed of the land, and of the fruit of trees, is the Lord's, holy to the Lord.
31 And if a man should at all redeem his tithe, he shall add the fifth part to it, and it shall be his.
32 And every tithe of oxen, and of sheep, and whatsoever may come in numbering under the rod, the tenth shall be holy to the Lord.
33 Thou shalt not change a good for a bad, or a bad for a good; and if thou shouldest at all change it, its equivalent also shall be holy, it shall not be redeemed.
34 These are the commandments which the Lord commanded Moses for the sons of Israel in mount Sina.

Leviticus 27:29-34 Meaning and Commentary

INTRODUCTION TO LEVEITICUS 27

This chapter contains various laws concerning vows made unto the Lord, whether of persons whose estimation was to be made by the priest, according to their age, sex, and condition, Le 26:1-8; or of beasts, clean and unclean, good or bad, Le 26:9-13; or of houses, fields, and lands, the estimation of which was to be according to its seed, and the time of its being set apart, whether from or after the year of jubilee, and the number of years to it, Le 26:14-25; with this exception to the above laws, that no firstling of the Lord's might be sanctified, and if an unclean beast it might be redeemed, but nothing devoted to the Lord, whether of man, beast, or field, might be sold or redeemed, Le 26:26-29; and the chapter is concluded with some laws concerning the redemption or change of tithes, what might or what might not be redeemed or changed, Le 26:30-34;

The Brenton translation of the Septuagint is in the public domain.