Leviticus 22:23

22:23 As for an ox or a sheep with a limb too long or stunted, you may present it as a freewill offering, but it will not be acceptable for a votive offering.

Leviticus 7:16

7:16 “‘If his offering is a votive or freewill sacrifice, it may be eaten on the day he presents his sacrifice, and also the leftovers from it may be eaten on the next day,