10. and anyone who made the vow may not substitute another animal for it. If he does, both animals belong to the Lord.
11. But if the vow concerns a ritually unclean animal, which is not acceptable as an offering to the Lord, the man shall take the animal to the priest.
12. The priest shall fix a price for it, according to its good or bad qualities, and the price will be final.
13. If the person wishes to buy it back, he must pay the price plus an additional twenty per cent.