And if it is any unclean animal that may not be offered as an offering to the LORD, then he shall stand the animal before the priest,
11. And if it be any unclean beast. Moses now, in the second place, treats of brute animals; which God commands to be sacrificed to Him, if they are suitable for it, and does not suffer the vow to be altered. But if they be imperfect or unclean, He lays down the rule for their redemption.
This is part of the law concerning singular vows, extraordinary ones, which though God did not expressly insist on, yet, if they were consistent with and conformable to the general precepts, he would be well pleased with. Note, We should not only ask, What must we do, but, What may we do, for the glory and honour of God?
Commenting on Leviticus 27:1-13
And the priest shall value it, whether it be good or bad,.... Put a price upon it according to its worth, as it shall appear to him: as thou valuest it, who art the priest, so shall it be; that shall be the price at which it shall be sold, not to the owner or devoter of it, for he must give more, as appears...