Leviticus 13:33

13:33 then the individual is to shave himself, but he must not shave the area affected by the scall, and the priest is to quarantine the person with the scall for another seven days.

Leviticus 27:10

27:10 He must not replace or exchange it, good for bad or bad for good, and if he does indeed exchange one animal for another animal, then both the original animal and its substitute will be holy.